Use the quotient rule to simplify the expression. Write the answer with only positive exponents.
A. 1019
B. 
C. 
D. 
Answer: B
Mathematics
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Express the sum using summation notation.22 + 43 + 64 + ... + 169
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.(-5)-4
A. 625
B. -625
C. 
D. - 
Mathematics
Use factoring to solve the equation.20y2 + 41y + 20 = 0
A. 
, 
B. 
, - 
C. - 
, - 
D. - 
, - 
Mathematics
Use the four-step procedure to solve the variation problem.The amount of gas that a helicopter uses varies directly as the number of hours spent flying. The helicopter flies for 2 hours and uses 18 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 4 hours.
A. 8 gallons B. 40 gallons C. 36 gallons D. 45 gallons
Mathematics