Eli and Claire work at a dry cleaners ironing shirts. Eli can iron 15 shirts per hour, and Claire can iron 20 shirts per hour. Eli and Claire worked a combined 17 hours and ironed 300 shirts. Graphically solve a system of equations in order to determine the number of hours Eli worked, x, and the number hours Claire worked, y

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

What is the quadric regression equation that fits these data

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?