Grandpa Andres and Grandma Sophia gave money to their 7 grandchildren to divide evenly among themselves. Grandpa Andres gave 450 dollars and Grandma Sophia gave d dollars How much money did each grandchild receive? Write your answer as an algebraic expression.

Graph y = -|x| + 2. click on the graph until the correct one appears.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

The volume of a spherical hot air balloon v(r) = 4 3 ? r3 changes as its radius changes. the radius is a function of time given by r(t) = 3t. find the instantaneous rate of change of the volume with respect to t at t = 2.