simplify the fraction 6 9/6
find the slope of a line which is perpendicular to the line joining P1(2,4) and P2 (2,- 1)
96/2(12(4)+(4)4+(12)4)
$\sqrt{x+3}$ + $\sqrt{2x-1}$
180-22=
80-2.4 =
8×3³+63÷9-6
5×4+(12+2)-30÷3
(2p+5q)(7-r+5s)
word problem on perimeter
x+y less than 5
