Solve the equation for x.
= -1
A. {-1}
B. {3}
C. {1}
D. ?
Answer: C
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The speed S, in feet per second, of certain animals depends on their stride length L in inches. The relationship is
.
?
A: If one animal has a stride length 2.51 times that of another, how do their running speeds compare?B: If one animal has double the speed of anther, how do their stride lengths compare?C: If an animal with stride length 22 inches runs 16 feet per second, find the value of c.
?
What will be an ideal response?
Graph the function.f(x) = 
+ 3
A. 
B. 
C. 
D. 
Rewrite the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the trigonometric expression without the use of a calculator.2 sin 112.5° cos 112.5°
A. - 
B. 
C. 
D. - 
Name the property illustrated.6 + (10 + 7) = (6 + 10) + 7
A. Associative property B. Identity property C. Distributive property D. Commutative property