A construction worker stands on the top of a building that is 0.45 mi above the ground. The earth has a radius of 3959 mi. What is the construction workers distance from the horizon?

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.

How can you tell when x and y are not directly proportional?

Measure of angles 31 (x+4) (3x+9) me