Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)
A. y2 = 20x
B. x = 20y2
C. y = 20x2
D. x2 = 20y
Answer: A
Mathematics
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when ? = 0
B. continuous everywhere
C. discontinuous only when ? = 
D. discontinuous only when ? = ?
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.15 - 8x + x2
A. (x - 3)(x + 5) B. (x + 3)(x + 5) C. (x - 3)(x - 5) D. (x + 3)(x - 5)
Mathematics
Simplify the ratio.80 cents to 88 cents
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Cesaratto's Appliance and Auto Center is having a sale. Find the missing information for the items that were purchased. Round to the nearest cent.Total sale on stove:$331.04Sales tax rate:7.5%Price of stove:
A. $305.11 B. $307.94 C. $189.17 D. $310.84
Mathematics