Question 1
If the average test score of 4 students is 85, what will the 5th student need to score in order to have the new average be 86?
A. 90
B. 88
C. 87
D. 86
E. 85
Question 2
If A and B and C are positive, and A@B = 
and C=C+3, what is the value of (9)@3?
A. 3
B. 5
C. 9
D. 15
E. 16
Question 3
Rectangle A has a length of 12 inches and a width of 5 inches. Rectangle B has a length of 9 inches and a width of 10 inches. By what number must the area of rectangle A be multiplied in order to get the area of rectangle B?
A. 
B. 
C. 
D. 
E. 
Question 4
If x > 0, then (4x)(8x) =
A. 29x
B. 28x
C. 26x
D. 25x
E. 24x
