Which equation represents a linear function?

Equation 1: y = 2x^2 + 1

Equation 2: y^2 = 3x + 1

Equation 3: y = 5x - 1

Equation 4: y = 4x^4 - 1

40cents = ? In nickels

Find f (-5) if f (x) = |x + 1|.

The circle is 5.1 cm what is the diameter and radius of the circle

2 litters is how many millimeters

9 multiplied by 2 divided by 4

Ac=3 (x-6) and BD=x+6

Tony has 50 miles to his destination after 21 minutes of driving and he has 40.4 miles to his destruction after 33 minutes of driving. How many miles will he have to his destination after 37 minutes of driving?

Describe a situation in which there would be a positive association between two variables.

One angle of a triangle measures 34. A second angle measures 81. What is the measure of the third angle of the triangle? A: 65 B: 99 C: 115 D: 146

What are the x and y intercepts of the equation x=-5?