What type of number is 12/3? Choose all the answers that apply.

A. whole number

B. integer

C. rational

D. irrational

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.