Fill in the blank with one of the words listed below.
To find an x-intercept of a graph, let 
= 0.
A. x-intercept
B. x
C. y-intercept
D. y
Answer: B
Mathematics
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Solve the number problem by finding the value of the unknown number.If the product of some number and 5 is increased by 7, the result is 67.
A. 12 B. 13 C. 18 D. 15
Mathematics
Find the identical expression for the following.
?
?
A. ?
B. ?
C. ?
D. ?
E. 2
Mathematics
Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 21 yd long and touches the ground 18 yd from the pole. How tall is the pole? Round approximations to the nearest tenth. 
18 yd
A. 10.8 yd B. 5.4 yd C. 58.5 yd D. 19.5 yd
Mathematics
Determine whether the following represents a function.x = 6 - y
A. function B. not a function
Mathematics