Evaluate the expression for the given value of the variable |-4b-8|+|=1-b^2|+2b^3 ; b=-2

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students