Three friends eat lunch together. the bill comes to $21 plus 10% tax .if they spilt the bill and tax evenly, how much will each person owe

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!