Evaluate the expression.(80 + 42) ÷ 2 ? 22
A. 112
B. 12
C. 192
D. 82
Answer: C
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Solve.A 12% salt solution is mixed with an 18% salt solution to obtain five liters of a 15% salt solution. How many liters of each solution must be added?
What will be an ideal response?
Simplify.0 ÷ 9 + 7 × 2
A. Undefined B. 23 C. 32 D. 14
Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.y = log(x + 8)y = x2
A. {(-1.38, -1.89), (1.50, -2.25)} B. {(-0.92, 0.85), (0.98, 0.95)} C. {(-0.92, -0.85), (0.98, -0.95)} D. {(-1.38, 1.89), (1.50, 2.25)}
Find the intercepts of the function f(x).f(x) = x3 - 8x2 - x + 8
A. x-intercepts: -1, -2, 4; y-intercept: 8 B. x-intercepts: 1, -1, 8; y-intercept: 8 C. x-intercepts: 1, -2, -4; y-intercept: 8 D. x-intercepts: 1, -1, -8; y-intercept: 8