A store pays a wholesale price of $12.00 for the hat. If they plan to make a 25% profit, what will the retail price of the hat be?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Write the equations in logarithmic form 10^3=1,000

What is the absolute value of the complex number -4- 2 v14 3.15 14 18