First, simplity the expression: -20 + 40 - 20 - 3t. Then using the simplified expression, solve the
expression ift=-2 and C = 3, without a calculator.

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?