Ethans dad is five years younger than four times Ethans age, a. Write an algebraic expression the represents the age of Ethan's dad

A model to represent the product 18*34

A shop is selling a phone for $80. The shop increases the price by 10%. What is the new price

What is the value of this expression when d=3 7d * (the star stands for 2 since I can't put it up in the top of 7) + 10

14 less than the product of four and a number

Hiroshi found anti-virus program on his personal computer scans 182 megabytes of data in 7 seconds / an update to the program advertises a new rate of 35 megabytes per second. how much faster is the anti-virus program after the update?

Both Wilma's and Betty's pools hold 9000 gallons of water. If Wilma's garden hose fills at a rate of 750 gallons per hour while Betty's garden hose fills at a rate of 650 gallons per hour, how much longer does it take Betty to fill her pool than

One person can do a certain job in six days, a second person can do the same job in two days, and a third person can do this job in three days. how many days will they take to do the job together?

What is the area of this circle

What is the interest earned on $12,000 invested at 5.25% simple interest for 5 years?

Factor the GCF: 12a3b + 8a2b2 - 20ab3