3 .
Figure 1
Figure 1
shows a square with total area of 121 square units. Based on the
figure, what is the value of x?
(A) 2
(B) 4
(C) 7
(D) 11
(E) 49
4 . A plumbing company charges $42.50 plus x dollars per hour to make a
house call. Which expression below represents the cost of a 90-minute
house call?
(A) 90(42.50 + x)
(B) 1.5(42.50 + x)
(C) 1.5(42.50x)