The perimeter of a square pool is 15x + 3. How long is each of the pool?

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?