Figure D’E’F’G’ is a dilation with a center (0,0) of figure DEFG. What is the scale factor? PLS HELP

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Which number line correctly shows 0.8 + 0.3?