16+70
545+638=638+solution
what is a rectangle
Fill in the blanks.
1. 5.74 m = ___m __cm
(1-0.07)^x = (1-0.21)
5x+5=20
area of rectangle
Find the greatest common factor of a^2+ab,a^2-b^2 and (a+b)^2
watis$0$ \ac}5
