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4*pi*r^2
5/8 = 25
2/100-(6/10)
ln(3/2)
3/5 = 2/3
| b=13 | | 27.2=8.5x | | -15=3/4b | | 2(x+3)=-11x-(x+4) | | 5=2u+3u | | 5/8s=275 | | 13y-5y=64 | | 13-5y=64 | | 14y+18=5-12y | | 3x*15=145.65 | | 55=k/6 | | 8x+4x-72=90-6x | | .875x= | | 1.125x= | | 8x^2-58x+50=0 | | 2x+9=-48 | | 4x+5b=2a-c | | 3(v-6)-4=-3(-6v+4)-3v | | -3b+19=9b+18 | | 2x+17y=19 | | 6(x+1)-4(2x-1)=x | | 6/15=3/c | | -3+19=9b+18 | | 8+3(3u-4)=-2(3u-3)+9u | | -10x+1=2x+5 | | -3(3y-5)+5y=6(y+5) | | sin(x)=0.244 | | F(2w)=2(2w)-5 | | 7x=4z | | x-12=12x | | 32t^2-5t+8t^3-20=0 | | 2(-x-3)=2(x+1) |