You see my mom wants me to khan academy and here some questions Four more than the product of three and a number x?

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?