a solid shape is made by joining two cones. each one has the same radius. one cone has slant height=2 x radius the other cone has slant height= 3 x radius the total surface area of the shape is 135.2pie cm^2 curved surface area of a cone= pierl where r is the radius and l is the slant height. work out the radius.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?