Two pears and a pineapple cost 2$. two pears and three pineapples cost $4.50. find the cost of a pineapple. if anyone could me, that'd be great : )

Solve for x i'll try to attach the files bc it's not letting me for some reason

How to write 3 tenths and 5 tenths as a decimal

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187