If a piece of siding costs 1.89 how much will a 10 foot piece of siding cost

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Don't know how to find x given these segment lengths