What's 9 * 12?

x - 8 = 10; x = ??

¾ + ½ = ?? (Insert as fraction ie: 13/4)

2x + 3y = 10

5x - 6y = 15

x = ??

y = ??

Sally knows the first angle of a triangle is 82° and the second angle of a triange is 65°. Why can she determine that the third missing angle of the triangle is 33°?

Estimate: What is 2.7 × 10⁴ ÷ 5.2 × 10²?

Select all that apply: x³ + 5x² + 4x = 0; x = ??