Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 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. $70
B. $65
C. $30
D. $50
Answer: B
Mathematics
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Find the sum of the terms of the arithmetic sequence.-10, -7, -4, -1, . . ., 29 n = 14
A. 133 B. - 133 C. 266 D. 273
Mathematics
Integrate the given expression.
dx
A. x + 7C
B. -21x + C
C. 7x3 + C
D. - 
+ C
Mathematics
Write the whole number.Seven thousand, four hundred sixty-three
A. 7063 B. 700,463 C. 70,463 D. 7463
Mathematics
Use rational equations to solve the problems.If 27% of Karen's gross monthly salary results in total deductions of $700.80, then what is her gross monthly salary?
A. $5,191.11 B. $2,336.00 C. $2,855.11 D. $2,595.56
Mathematics