Solve the equation.
- 
= 
A. {
}
B. {-9}
C. {36}
D. {9}
Answer: D
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Solve the problem.Below is a schematic depiction of a waterslide. The slide is 26 ft long. The ladder leading to the top of the slide is 21 ft long. How far is it from the end of the slide to the foot of the ladder? Round your answer to hundredths.
A. 7.67 ft B. 15.33 ft C. 23.50 ft D. 117.50 ft
Graph the inequality.y ? 3x
A. 
B. 
C. 
D. 
Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.sin ? + sin 
= sin 
A. 
, 
, and 0
B. 
and - 
C. 
, 
, and - 
D. 
and 0
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The profit derived from the sale of x video cameras is $330 per unit less the sum of $2,100 costs plus $120 per unit.
A. If P is profit and x the units sold, then P = 330x - (2,100 - 120x) or 
B. If P is profit and x the units sold, then P = 
- (2,100 + 
) or 
C. If P is profit and x the units sold, then P = 330x + 2,100 - 120x or 
D. If P is profit and x the units sold, then P = 330x - (2,100 + 120x) or 