H107b
(2)
(x + y - z + w = 10
x + 3y – 4z +5w = 26
x + 4y – 72 + 7w = 37
(x+2y – 3z +6w = 22

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?