Evaluate the expression.8 ? 6 - 4 ? 4
A. 22
B. 64
C. 32
D. 14
Answer: C
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Provide an appropriate response.A reel of wire 225 feet long must be cut into 8.2 foot lengths for speaker wires. How many lengths can be cut from this reel?
A. 27 B. 28 C. 25 D. 26
Find an equation for the sphere with the given center and radius.Center (-4, 9, 0), radius = 10
A. x2 + y2 + z2 - 8x + 18y = 3 B. x2 + y2 + z2 + 8x - 18y = 3 C. x2 + y2 + z2 - 8x - 18y = 3 D. x2 + y2 + z2 + 8x + 18y = 3
Find the perimeter and the area of the following figure. Assume the lightly shaded inner triangle is an equilateral triangle with each side length 1 unit and assume the curves are semicircles that cover half of each side of the triangle. Give the exact answers.
What will be an ideal response?
Solve the problem.The number of acres in a landfill is given by the function 
where t is measured in years. How many acres will the landfill have after 5 years? (Round to the nearest acre.)
A. 6516 B. 3660 C. 2830 D. 2643