M $1+m $2+90°=180°
What property is this pleaseee

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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.