Add all the sides. Write the expression, in the simplest form.

8cm, 8cm, 9x, 9x

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

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

Stefania pours 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl. how many liters are in the punch bowl?