Solve the equation.5(2x - 3) = 9(x + 5)

A. {35}
B. {60}
C. {-30}
D. {-60}


Answer: B

Mathematics

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Divide and simplify. ÷ 

A. 72
B. 1
C.
D.

Mathematics

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

Mathematics

Multiply or divide as indicated. ÷ 

A.
B.
C.
D.

Mathematics

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)

Mathematics