Perform the operation

(5x^2 + 4) - (-2y^2 + 4)

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

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account