The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. the cost is $22 for each room. write an equation to represent this relationship. im just confused im sorry hah 30pts

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Can someone me do math because i am having a breakdown rn because i don’t get it

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?