Find the average of the numbers.7, 12, 15, 8, 3
A. 8
B. 46
C. 11.25
D. 9
Answer: D
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Divide, simplifying if possible. Write the final answer as a mixed number whenever possible.5
÷ 2
A. 1
B. 2
C. 1
D. 1
Solve the problem.Find the length of each side of the triangle determined by the three points P1, P2, and P3. State whether the triangle is an isosceles triangle, a right triangle, neither of these, or both.P1 = (-5, -4), P2 = (-3, 4), P3 = (0, -1)
A. d(P1, P2) = 2
; d(P2, P3) = 
; d(P1, P3) = 
both
B. d(P1, P2) = 2
; d(P2, P3) = 
; d(P1, P3) = 5
right triangle
C. d(P1, P2) = 2
; d(P2, P3) = 
; d(P1, P3) = 5
neither
D. d(P1, P2) = 2
; d(P2, P3) = 
; d(P1, P3) = 
isosceles triangle
Use factoring techniques to solve the polynomial equation.x2(9x + 2) - 16(9x + 2) = 0
A. 
B. 
C. 
D. 
Simplify. 6 – 2 – (–4)
A) 0 B) 12 C) –4 D) 8 E) –8