Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 27 feet from the center is to be 10 feet above ground?
A. 28.64 ft
B. 162 ft
C. 57.28 ft
D. 45.88 ft
Answer: C
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Which of the following best exemplifies the measurement model of division for one-half divided by one-third?
a. The total area of a rectangular piece of carpet is one-half of a square meter. Its length is one-third of a square meter. What is its width? b. One-third of the total amount of time needed to paint a fence is one-half hour. What is the total amount of time needed to paint the fence? c. You have one-half of a pizza left and want to share it with three friends. How much pizza should each friend receive? d. You have one-half pound of hamburger in the freezer, and wish to make hamburgers that are one-third pound each. How many hamburgers can you make?
Find any excluded values.
A. - 
B. 
, 1
C. 
D. 
Determine if the relation is a function. Assume that the domain is in the left column and the range is in the right column.The number of tests in various classes:
A. Yes B. No
Simplify the expression.2
(
+ 
)
A. 2
+ 5
B. 2
+ 5
C. 10
+ 10
D. 2
+ 10