A: 28, 23,30, 25, 27 B: 22, 19, 15, 17, 20

The difference between the mean of the numbers in list A and the average of the numbers in list B is?

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Find the solution of this system of equation -7x+y=-20 9x-3y=36