Carla bought a digital camera that cost $91.98. she also bought 2 identical memory cards and a camera case. the camera cost 6 times as much as the case. she paid $127.35, including sales tax of $6.06. what was the cost of each memory card?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

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%.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base