Solve the problem.A right triangle has an area of 16 square inches. The square of the hypotenuse is 80. Find the lengths of the legs of the triangle. Round your answer to the nearest inch.
A. 8 in. and 4 in.
B. 16 in. and 64 in.
C. 2 in. and 16 in.
D. 4 in. and 8 in.
Answer: D
Mathematics
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Solve the equation.
= 1 + 
A. ? B. {6, -8} C. {-6, 8} D. {-12, 8}
Mathematics
Classify the polynomial by the number of terms. Then identify the degree of the polynomial.-7x4 + 7w3 + 8w - 2y5 + 1
A. Polynomial of degree 4 B. Polynomial of degree 14 C. Polynomial of degree 5 D. Polynomial of degree 13
Mathematics
Evaluate the derivative of the given function at the given point.x2 + 3y2 = 13; (1, 2)
A. - 
B. 6
C. - 6
D. 
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = 6x2 - 9, x ? 0
A. not a one-to-one
B. f-1(x) = 
, x ? -9
C. f-1(x) = 
D. f-1(x) = 
, x ? -9
Mathematics