A baker can make 38 cookies in 2 hours. At this rate, how many cookies can the baker make in 7 hours?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )