Multiply using the FOIL method.(-2x + 5)(x - 11)
A. -2x2 - 55x + 27
B. -2x2 + 27x + 27
C. -2x2 + 25x - 55
D. -2x2 + 27x - 55
Answer: D
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Identify equilibrium values and determine which are stable and which are unstable.
= (y + 2)(y + 1)
A. y = 2 is a stable equilibrium value and y = 1 is an unstable equilibrium. B. y = 1 is a stable equilibrium value and y = -2 is an unstable equilibrium. C. y = -2 is a stable equilibrium value and y = 1 is an unstable equilibrium. D. y = -1 is a stable equilibrium value and y = 2 is an unstable equilibrium.
Divide.
A. 96
B. -6
C. 6
D. - 
Solve the problem.A college student invests $7000 in an account paying 
per year compounded annually. In how many years will the amount at least quadruple? Round to the nearest tenth when necessary.
A. 19.5 yr B. 18 yr C. 22.2 yr D. 20.9 yr
Sketch the right triangle and find the length of the side not given. If necessary, approximate the length to the nearest thousandth.leg = 16, hypotenuse = 20
A. 2 B. 6 C. 25.612 D. 12