If a 5 and b=4, then 2a +b=

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

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.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b