Solve the problem.Suppose a life insurance policy costs $16 for the first unit of coverage and then $4 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $56
B. $24
C. $40
D. $52
Answer: D
Mathematics
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Solve the problem.Is x = 2 a solution of 8x + 9 = 27?
A. Yes B. No
Mathematics
Answer the question.To solve for the lengths of the right triangle sides, which equation is correct? 
A. x2 = (3x)2 + (2x - 10)2 B. x2 + (3x)2 = (2x - 10)2 C. (2x - 10)2 = x2 + (3x)2 D. (2x - 10)2 + x2 = (3x)2
Mathematics
Write interval notation.{x?0 ? x ? 4}
A. (0, 4] B. [0, 4] C. [0, 4) D. (0, 4)
Mathematics
Provide an appropriate response.This pair of equations is equivalent.4x - 9 = 19 and 3x + 4 = 25
Fill in the blank(s) with the appropriate word(s).
Mathematics