The average of five numbers is 18. let the first number be increased by 1, the second number by 2, the third number by 3, the fourth number by 4, and the fifth number by 5. what is the average of the set of increased numbers?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )