For each right triangle below, find all unknown side lengths and angle measures: can anyone help for number 8 and 9

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

What is the volume of the composite figure? cubic inches