Is the function linear or nonlinear

Y=2x²-4

What is the answer to y=3+8.5x, when x = -4.

Whats the square root of 42

Right? Wrong! If I subtract 7 from one side of the equation, what must I do to the other side of the equation

Georgia has $38 to spend at the movie theater. She goes with two friends. They all got one piece of candy. If each ticket cost $10 and each piece of candy cost $3.50, do they have enough money?

Decide whether the two events are disjoint and tell why or why not: • randomly choosing a scarf that is blue • randomly choosing a scarf that is frayed A: Not disjoint, because the events cannot occur at the same time.

Jermain made 6 candles. lukas made 4 times as many candles as jermain did. they plan to pack the candles in boxes with 3 candles in each box. how many boxes will they need for all the candles?

Write an expression to represent. the difference of 8 squeared and a number

Which equation has the solutions x=1 + / - √5? x2 + 2x + 4 = 0, x2 - 2x + 4 = 0, x2 + 2x - 4 = 0, x2 - 2x - 4 = 0

10% as a fraction in simplest form

Robert has a container of a shape of a cube with an edge length of 6.1 what's the value of the container