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. $50
B. $65
C. $70
D. $30
Answer: B
Mathematics
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Find the equation of a line passing through the given points. Solve the equation for y.(5, 6); slope = 
A. y = - 
x + 2
B. y = 
x - 2
C. y = - 
x - 2
D. y = 
x + 2
Mathematics
Find the exact value of the expression without using a calculator.
A. -2
B. - 
C. - 
D. - 
Mathematics
Divide.
A. -6t2 - 2t + 3 B. -6t2 + 3t + 3 C. -6t2 - 3t + 3 D. -6t2 - 3t - 3
Mathematics
Add.(5 - 9x4 + 8x6 + 3x5) + (7x5 - 4x4 + 2 + 3x6)
A. 8x30 + 7 B. 11x12 + 10x10 - 13x8 + 7 C. 12x6 + 12x5 + 10x4 + 6 D. 11x6 + 10x5 - 13x4 + 7
Mathematics