Options are y=10x-1
y=-3x-5

y=4x-9
y=-3x-5

y=2x+5
y=x-1

y=2x+5
y=5x+11

y=3x+7
y=-x-1

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)