4x
4-y
to do with indicies (powers)
the x and the -y are both indicies

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The measure of an angle is 117°. what is the measure of a supplementary angle?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x, y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis