Simplify and then solve.
= 3 + 20 ÷ 4
A. x = -8
B. x = 12
C. x = 92
D. x = 32
Answer: D
Mathematics
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Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 12x - 10y + 57 = 0
A. (h, k) = (6, 5); r = 2
B. (h, k) = (-6, -5); r = 2
C. (h, k) = (-6, 5); r = 2
D. (h, k) = (6, -5); r = 2
Mathematics
Solve for the indicated variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 
- 1
C. h = 2?(S - r)
D. h = 
Mathematics
Determine whether or not the triangles are similar.
A. Similar B. Not similar
Mathematics
Provide an appropriate response.The sum of the payments of an annuity plus the interest is called the:
A. economic sum B. financial total C. amount of the annuity D. payoff amount
Mathematics