a quilt design is made up of right triangles that have a base of 6 inches and a height of 2 2/3 inches. if the quilt is rectangular with dimensions of 90 inches by 72 inches, how many triangles are needed to complete the quilt?​

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?