Julio says, "If you subtract 18 from my number and multiply the difference by - 3, the result is - 15." What is Julio's number ?

Atypical mre contains 1,200 calories. if the average solider eats 3 mre per day and is deployed for 15 months how many calories will be consumed by a 44 member platoon of soldiers

Solve the system of equations. y= 2x y= x^2 - 15

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.