Determine whether the equation in one variable is linear.9(x - 7) = 0
A. linear
B. not linear
Answer: A
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?
Given that y = 7, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = tan-1 
B. A = sin-1 
C. A = tan-1 
D. A = sin-1 
Write the expression as one term. Evaluate if possible.log 32 - log 8
A. 24 B. log 4 C. log 24 D. 4
Solve. Write the answer as a mixed number in simplest form.A pair of boards needs adjustment. One board is 75 inches and the other is 65
inches. Find how much the longer board should be shortened to make both boards the same length.
A. 140
in.
B. 4
in.
C. 10
in.
D. 9
in.
Use the choices below to fill in the blank. Choices may be used more than once or not at all.
The degree in which the data values are scattered is called 
.
A. population B. dispersion C. range D. sample