Agardener is planting two types of trees: type a is three feet tall and grows at a rate of 15 inches per year. type b is four feet tall and grows ata rate of 10 inches per year. algebraically determine exactly many years it will take for these trees to be the same heighthow

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Plz hurry evaluate the expression a+b where a=8 and b=19

Can you me find the slope! (30 points)