Solve the problem.R and R' are similar rectangles. Suppose that the width of R is a and the width of R' is 4a. If the perimeter of R is 15 in., what is the perimeter of R' ?
A. 30 in.
B. 60a in.
C. 120 in.
D. 60 in.
E. none of these
Answer: D
Mathematics
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Multiply and simplify.(
+ 
)(
- 
)
A. 1
B. 12 + 2
C. 23
D. 12 - 4
Mathematics
A. no solution; ? B. {(3, 1)} C. {(1, 3)} D. {(2, 14)}
Mathematics
Write an equation relating the variables in the situation described.The cost C of renting a video movie for n days if the charge is $3 deposit plus $2 per day of renting. The deposit is returned when the movie is returned.
A. C = 3n B. C = 3 + 2n C. C = 3n + 2n D. C = 2n
Mathematics
Give the ordered pairs for the points labeled on the graph.
A. A(5, 4); B(-2, 6) B. A(5, 4); B(6, -2) C. A(4, 26); B(6, -2) D. A(5, 6); B(4, 6)
Mathematics