Which of the following expressions is equivalent to 3x(2+5y)? - correct answer 6x+15xy
A phone company charges $2 for the first five minutes of a phone call and 30 cents per minute
thereafter. If Bill makes a phone call that lasts 25 minutes, what will be the total cost of the phone call? -
correct answer $8.00
If y=3ab+2b3,what is y when a = 1 and b=2 ? - correct answer 22
Data from a Sanford C. Bernstein research study indicates that in a recent year, 9.6 billion cases of soft
drinks were sold in the United States. The pie chart below summarizes the distribution of soft drink sales
by location.
Based on the pie chart, the four largest locations for soft drink sales account for approximately what
percentage of total soft drink sales in the year under consideration? - correct answer 95
Emma needs to order liquid fertilizer for her landscaping company. She plans to keep the fertilizer in a
large cylindrical storage tank, but isn't sure how much it will hold. The tank is 10 feet tall and the circular
base has a radius of 5 feet. What is the volume of her storage tank? - correct answer
785ft3
How many different passcodes can be formed from the letters (A, B, C, D) if each letter can only be used
once? - correct answer 24
Factor: 4y(3x+2) -2(3x+2) - correct answer (4y - 2)(3x+ 2)
During an examination of defective products at a manufacturing plant, inspectors assigned a rating of 1-
5 for the severity of the defects found. A total of 800 defective products were examined. A rating of 1
represents the lowest severity while a rating of 5 represents the highest severity. A frequency tally of
the severity ratings follows: