Solve the equation.5(2x - 3) = 9(x + 5)
A. {35}
B. {60}
C. {-30}
D. {-60}
Answer: B
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Divide and simplify.
÷ 
A. 72
B. 1
C. 
D. 
Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 0.1 g B. 3.9 g C. 1.9 g D. 5.8 g
Multiply or divide as indicated.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.The height of an egg after t seconds when thrown straight up with an initial speed of 128 feet per second from a height of 224 feet is given by the polynomial 
Write this polynomial in factored form.
A. -4(4t2 - 32t - 56) B. -16(t2 - 8t - 14) C. 2(-8t2 + 64t + 112) D. 16(-t2 + 8t + 14)