Collect like terms and write in descending order.8y9 + 5y8
A. 13y8
B. Can't be simplified
C. 13y17
D. 13y9
Answer: B
Mathematics
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Provide an appropriate response.Starting at the right side of a number, commas are used to separate the number into groups of three digits.
A. True B. False
Mathematics
Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = - 
(x - 2)2 - 4
B. f(x) = - 
(x + 2)2 - 4
C. f(x) = -(x - 2)2 - 4
D. f(x) = -2(x - 2)2 - 4
Mathematics
Solve the problem.Carole's car averages 17.4 mi/gal in city driving and 25.7 mi/gal in highway driving. If she drove a total of 523.9 mi on 22 gal of gas, how many of the gallons were used for city driving?
A. 17 gal B. 7 gal C. 22 gal D. 5 gal
Mathematics
Solve the equation.12d2 - 5d = 0
A. d = 
, 0
B. d = - 
, 0
C. d = - 
, 0
D. d = 
, 0
Mathematics