How many terms are in this expression? 5x+11

Write the following as a base and exponent

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?