WITH VERIFIED ANSWERS || GRADED A+
1. If "cube" is defined x"cubed"y= 2x - 3y what is the equivalent to (-2)"cubed"2
?
A) 12
B) 10
C) 2
D) 2: B
2(-2) - 3(2)= -4 - 6= -10
2. 16 round tables set up for 126 guests. 1 table is left with 2 open spaces. How
many chairs are at each table?
A) 7 chairs
B) 8 chairs
C) 9 chairs
D) 10 chairs: B
126 + 2= 128 chairs total.
128/16= 8 chairs at each table.
3. 27 summer interships, 42 part time jobs. 3 summer interships have filled all
their positions. What is the ratio of companies offereing summer internships
to companies offering part time jobs?
A) 3 : 5
B) 4 : 7
C) 5 : 7
D) 9 : 14: B
27 - 3= 24 summer internships.
24:42
24/6= 4
42/6= 7
4:7 is the ratio.
4. 1, 1/4, ?, 1/16, 1/25, 1/36...
What is the third term?
A) 1/9
B) 1/10
1/
10
, C) 1/12
D) 1/14: A
They're all consecutive perfect squares.
2(2)=4
3(3)=9
4(4)=16
5(5)=25
2/
10