Which of the following is the most reasonable estimate for the number of calories in one serving of milk? in one-half serving of milk? servings of milk=5. calories in 5 servings =430. choices- a. between 8 and 9; between 16 and 18. b. less than 80; less than 40. c. between 80 and 90; between 40 and 45. d. more than 90; more than 45

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

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1