Lillian but for hairbrushes at $3.99 each. she had a coupon for $1 off. her mum paid for half of the remaining cost. evaluate a numerical expression to find out how much will you pay towards the purchase of the hairbrushes

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.