Zach tracks his community service hours for Boy Scouts. Last month he provided 4.5 hours of service per week. What is his constant rate of change?

Write the converse of the following statement: if the trees have no leaves, then it is fall. if the trees have no leaves, then it is fall. the trees have no leaves, therefore it is fall. it is fall since the trees have no leaves. if it is fall, then the trees have no leaves.

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.