Which equation represents a linear function?
equation 1: y = 2x2 + 1
equation 2: y2 = 3x + 1
equation 3: y = 5x − 1
equation 4: y = 4x4 − 1

Two parallel lines are crossed by a transversal.what is value of x

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2