Divide using the quotient rule for exponents. Write the result with positive exponents. Assume that variables in the denominator are not equal to 0. 
A. 6x4y8
B. 2x2y8
C. 2x4y7
D. 2x4y8
Answer: C
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Find the equation in standard form of the parabola described.The focus has coordinates (5, 0), and the vertex has coordinates (0, 0).
A. x2 = 20y B. y2 = 5x C. x2 = 5y D. y2 = 20x
Draw a vector representing the velocity. ? 30 mph due south ?
A. ?
B. ?
C. ?
D. ?
E. ?
First, use front end rounding to estimate each answer. Then find the exact answer.A truck weights 9110 pounds when empty and 21,329 pounds when loaded. What is the weight of the load?
A. estimate: 20,000 - 9000 = 11,000 pounds; exact: 12,219 pounds B. estimate: 20,000 - 9100 = 10,900 pounds; exact: 12,219 pounds C. estimate: 21,000 - 9100 = 11,900 pounds; exact: 12,219 pounds D. estimate: 21,000 - 9000 = 12,000 pounds; exact: 12,219 pounds
Identify the like terms in the algebraic expression. 6x + 3y - 39y + 54x
A. 6 and 39; 3 and 54 B. 6x and 3y; -39y and 54x C. 6x and 54x; 3y and -39y D. 6 and 54; 3 and -39