Exercices nombres relatifs 4eme
80*5=
4140/23
value of x in 5=0.486x+3.263
the ratio of boys to girls in a certain class is y:x. If there are 2 boys and 40 girls, find the value of x and y
a x (b - c) = a x c
16power 1/4
3x minus 2y equal; to 14 and y minus 5x equal to 0 use matrix method