What is the slope and the y-intercept?

What is the inverse of the function f(x) = 2x + 1?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale