Which digits is in the units place of each number , 521, 86. 109

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?