Bianca deposits $10 in a savings account each Monday and an extra $20 during her birthday week. In her birthday month, she deposited a total of $60. Write an equation to find m, the number of Mondays in Bianca's birthday month

x - 8 = -20

Patel has 5 less than 4 times as many model cars as Horatio. He has 19 model cars in all. Let c equal the number of model cars Horatio has. Write the equation that can be used to find the number of model cars Horatio has.

4x = 12

x + 10 = -2

Write the prime factorization for 36.

10 - 2 x 4

x - 8 = 10

x/2 =2

3x = 42

x + 10 = 39

x + 4 = 6