Need answer ASAP Use the polynomial remainder theorem to find f(-4) for f(x)=2x4+7x3−8x2−21x+7
f(-4) = _

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Can someone explain to me how to do

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?