78.50 × 32 ÷ 3
3344/21
6n - 12/2 , when n=5
6008÷273
6008÷2273
Round 39.6571429 to the nearest whole percent
2(3x+7)=16
x^3 + 2x^2 - x - 2 = 0
4'- 6" multiply by 9'-0"
4x + 2z = 7
8x − 12y = 18
