Carys calculates the total amount E, in dollars, that she earns for working h hours using the equation E=10h. How many dollars does Carys earn per hour? At that rate, how many hours does it take Carys to earn one dollar?

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%.

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

Measure a and b and find their sum. how are the angles related?