Solve the inequality. Graph the solution set and write it in interval notation.|5k - 9| ? 7

A.  ? 

B.

C.

D.


Answer: A

Mathematics

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Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is   In how many years will there be 93% of the isotope left?

A. 253 years B. 350 years C. 363 years D. 700 years

Mathematics

Simplify.6 + (-15) - (-14)

A. 7 B. -23 C. -5 D. 5

Mathematics

Perform the division.(x4 - 81) ÷ (x + 3)

A. x3 - 3x2 + 9x - 27 B. x3 + 3x2 + 9x + 27 C. x2 + 3x + 9 D. x3 + 3x2 - 9x + 27

Mathematics

Solve the equation.s - 9 = 13

A. -22  B. 22  C. -4 D. 4 

Mathematics