Will mark brainlist 15 POINTSSS HELP

How many of each different 2-D shapes do you see?

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

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points