The temperature in the production department is 21°C at 12 noon. If the temperature increases 1.5° C every hour, what will the temperature
be at 5 pm?

The triangles are similar. what is the value of x? show your work.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

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.