Use the distributive property to write the expression without parentheses. Then simplify, if necessary.8(x + y)
A. 8x + y
B. 8x - 8y
C. 8x + 8y
D. 8xy
Answer: C
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Find the surface area of the solid.The right triangular prism shown has a height of 12 cm and its base is an equilateral triangle with sides of length 8 cm. Find its surface area. Give an exact answer. 
A. 288 + 32
cm2
B. 384 + 16
cm2
C. 384 + 32
cm2
D. 288 + 16
cm2
Solve the equation.  figure 1.png)
(a) - 12 (b) 12 (c) 144 (d) 6 (e) 10
Determine the vertex of the graph of the parabola.y = x2 + 2x - 3
A. (1, - 4) B. (- 1, - 4) C. (- 1, 4) D. (1, 4)
Solve the problem.While traveling in a car, the centripetal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If a passenger experiences a force of 460.8 newtons when the car is moving at a speed of 80 kilometers per hour and the passenger has a mass of 80 kilograms, find the force a passenger experiences when the car is moving at 50 kilometers per hour and the passenger has a mass of 50 kilograms.
A. 150 N B. 112.5 N C. 100 N D. 125 N