Mergo can purchase tile at a store for $0.69 per tile and rent a tile saw for $40. At another store she can borrow the tile saw for free if she buys tile there for $1.49 per tile. How many tiles must she buy for the cost to be the same at both sides? Plz answer ASAP
WIL GIVE BRANILIST

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?