Find the area. Use ? ? 3.14 when needed.
A. 63 ft2
B. 27 ft2
C. 126 ft2
D. 49 ft2
Answer: A
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Compute r, the linear coefficient of correlation, for the given data.
A. -0.081 B. 0 C. 0.754 D. -0.775
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find cos A when a = 
and c = 6.
A. 
B. 
C. 
D. 
Write the expression as a logarithm of a quantity to a power. Leave answers in simplest form without negative or fractional exponents.7 logby
A. logby7 B. log7yb C. b log70y7 D. 7 logby7
Multiply the polynomials.(3z2 + 2z + 5)(z2 + 5z + 4)
A. 3z4 + 15z3 + 27z2 + 33z + 20 B. 3z4 + 15z3 + 22z2 + 33z + 20 C. 3z4 + 17z3 + 27z2 + 33z + 20 D. 3z4 + 17z3 + 22z2 + 33z + 20