Y=-5/2x-3 find the slope. plz I need it now

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Find the area of the triangle shown 3 by 6

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.