Factor the polynomial by grouping.x2 + 7x + 5x + 35
A. (x - 7)(x + 5)
B. (x - 7)(x - 5)
C. (x + 7)(x + 5)
D. prime
Answer: C
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Solve.When Paula set off to drive to her friend's house, the odometer read 7728.2 miles. When she arrived at her friend's house, the odometer read 7783.4 miles. How far had she driven?
A. 56.2 miles B. 65.2 miles C. 55.2 miles D. 55.3 miles
Solve the problem.Suppose that the total annual consumption of salmon in a certain country is given by 
and that the total annual consumption of tuna in this country is given by 
, where consumption is measured in millions of pounds and x is the number of years since 2010. When consumption of salmon reaches consumption of tuna, what is the annual consumption of salmon?
A. 894.89 million pounds B. 890.42 million pounds C. 897.87 million pounds D. 893.4 million pounds
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.f(x) = 2x2 - 3x - 5
A. x = 
, x = 1
B. x = 
, x = -1
C. x = 
, x = 0
D. x = 
, x = -1
Write the polynomial in descending powers of the variable with no missing powers.6x3 + 8x5 - 7x - 8
A. 6x3 + 8x5 + 0x2 - 7x - 8 + 0x4 B. 7x9 - 8 C. 8x5 + 6x3 - 7x - 8 D. 8x5 + 0x4 + 6x3 + 0x2 - 7x - 8