State how many solutions each equation has. (Will mark brainlest)

2z - 6 = 2(z + 2) - 10

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.