Compare A and B if 70% of A is equal to $0.7a and 35% of B is equal to $0.35a Please help! I'm stumped

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

What is an alternate exterior angle

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.