Use a formula to solve the problem.The area of a trapezoid is 54 square feet. If the bases are 8 and 10 feet, find the altitude of the trapezoid.
A. 6 ft
B. 1.5 ft
C. 12 ft
D. 3 ft
Answer: A
Mathematics
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Find the x-intercept(s) and the y-intercept of the function.f(x) = x3 + 8x2 - x - 8
A. (-1, 0), (1, 0), (-8, 0), (0, 8) B. (-1, 0), (1, 0), (-8, 0), (0, -8) C. (-1, 0), (1, 0), (0, 8) D. (-1, 0), (1, 0), (0, -8)
Mathematics
Simplify the expression using the order of operations.72 - 2(3) + 40 ÷ 4
A. 85
B. 
C. 11
D. 53
Mathematics
Determine the additive inverse of the given number.-15.3
A. 15.3 B. -3.15 C. 3.15 D. -15.3
Mathematics
Identify the number as prime, composite, or neither.83
A. Composite B. Prime C. Neither
Mathematics