The height (h), in feet, of a balloon is calculated by using the equation h = 3t+ 2 where t is time, in seconds. What is the height of the balloon after 30 seconds?

What is the slope of the equation y =

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply