4(x+3)-7x
2X+6y=6
0.13 - 155.3
65 $\sqrt{15}$
what kind of an angle is shown in each figure?
what is 11 term if the nth term is 3n +13
25/375
5/ mltpl75
7: 196:: 8: ?
2688÷24
Simplify 2 2/5 ÷ 7 1/2