CHSPE

The Artic Ocean has a surface area of about 14 million square kilometers, approximately 9.8 million square kilometers of which is covered by a polar ice mass. What is the surface area of this polar ice mass written in standard form? Correct Answer-9,800,000 sq km Cyndi borrowed $390 from her parents when she went in the school ski trip. If she pays them 65% of her $40 baby-sitting fees each month, how many months will it take her to pay back the entire $390? Correct Answer-15 The total length of the world's major railroad routes is approximately 3 1/4 times the distance from Earth to the moon. This distance from Earth to the moon is close to 240,000 miles. Which measure is closest to the length of the world's major railroad routes? Correct Answer-7.8 x 10^5 mi. 2x + 3y = 6 What is the slope of this line? Correct Answer--2/3 Elaine has two suitcases that are similar rectangular solids. The length of the second suitcase is twice the length of the first suitcase. If the first suitcase has a volume of 1568 cubic inches, what is the volume of the second suitcase in cubic inches? Correct Answer-12,544 The number paired with the origin on the number line is Correct Answer-0 The coordinate of a point is a(n) Correct Answer-number A factor of 15 is Correct Answer-5 The next greater even number than 20 is Correct Answer-22 An example of a prime number is Correct Answer-1 When an odd number and an even number are added, the sum is a(n) Correct Answer-odd number A factor of every even number is Correct Answer-2 The next prime number in the series of prime numbers 7, 11, 13, 17 is Correct Answer-19 The Star Movie Theater has 650 seats. At one performance 67 seats were not occupied. What fractional part of the theater seats were occupied? Correct Answer-583/650 Mr. Davis parked his car at 2:45 PM in a one-hour parking zone. If he drove away at 3:08 PM, during what fractional part of an hour was his car parked? Correct Answer-23/60 Mr. Barnes spent (a) dollars for a jacket and $40 for a pair of slacks. What fractional part of the money spent was spent for the jacket? Correct Answer-a/a+40 Mr. Stern planned to drive a distance of (x) miles. After driving 120 miles, Mr. Stern stopped for gas. What fractional part of the trip had Mr. Stern covered when he stopped? Correct Answer-120/x