round 61 to the nearest ten
find $$\int_{\1}^{\2}(\1) d/x^2+6x+5x$$
2x*3xy
9 1/2+6 1/6
Work out an estimate for the value of 83 x 1.72
1/10+1/20+1/30+1/40+1/60lcm
sqrt (3*sqrt(5)+4*sqrt(2)-sqrt(10))>3
36x^2-4x-144
find x
x+1/8 - x-1/7=0 find value of x