Derek decided to take a trip to france this summer. he had $30 in u. s. dollars to exchange for euros. for every u. s. dollar, derek received .76 euros. how many euros did derek receive for his 30 u. s. dollars?

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

What expression is equivalent to (2x-1)(x-3)?

Average acceleration: i have no idea how to do this.