Find

dy/du, du/dx, and dy/dx

y = u^2, u=4x+7

40. A car stereo originally cost $268. It is now being sold for 85% of its original price. How much does the car stereo cost now?

1/10 + x/100 = 6/x One-tenth plus x over 100 equals 6 over x what is the value of x

How do me find the mean of the data sets

The price of an item has been reduced by 25%. The original price was $40. What is the price of the item now

The area of a circle is 254.34. Find the radius

Suppose that y varies directly with x and y = 5 when x = 6. What is y when x = 5?

What is the difference between 30% of 7 and 7% of 30?

Choose the equation that is equivalent to this statement. 90 is 70% of x.

3.8 divided by 2 estimated

Tom earn $12.50 per hour at the Yankee bowling alley. He regularly works 40 hours per week. He is paid time and a half for each hour overtime work. Last week he worked 42 hours that his gross pay for the week