Is 2x³÷ 1/2 linear or nonlinear?

If square root x = -7, then x= -49 true or false

Write the pair of fractions as a pair of fractions with a common denominator

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)