The average weight of 18 girls in a class is 60kg and the average weight of 32 boys in the same class is 62 kg. what is the average weight of all the 50 students in that class?​

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240