There are 70 children each in grades 3,4,5 and 6 how many children are there in all these grades?

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

What is the value of x in the following equation? -3x-2=2x+8

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5