Multiply by 1, 2, 3, and so on, to find ten multiples of the number.20
A. 20, 40, 60, 80, 100, 120, 140, 160, 180, 200
B. 20, 50, 80, 110, 140, 170, 200, 230, 260, 290
C. 0, 25, 30, 35, 40, 45, 50, 55, 60, 65
D. 20, 30, 40, 50, 60, 70, 80, 90, 100, 110
Answer: A
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Match the equation with its graph.y = -3x
A. 
B. 
C. 
D. 
Solve the problem.A manufacturer's cost is given by C = 200 n1/3 + 200, where C is the cost and n is the number of parts produced. How many parts are produced when the cost is $2800?
A. 17,576 parts B. 2600 parts C. 169 parts D. 2197 parts
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 2.51 × 10-2 B. 3.98 × 10-2 C. 3.98 × 10-3 D. 2.51 × 10-3
Perform the indicated operations. Write the resulting polynomial in standard form.(4x - 2)(-2x + 5)
A. 2x2 + 24x - 10 B. 2x2 + 24x + 24 C. -8x2 + 24x + 24 D. -8x2 + 24x - 10