If the radius of a cylinder was shrunk down to a quarter of its orignal size and the height was reduced to a third of its original
size, what would be the formula to find the modified surface area?

The value √10 and √15 are plotted on the number line

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years