A Fasbee lands on the top of a 15-foot concrete wall. To retrieve the Frisbee, a ladder must be placed so that the foot of the ladder is 6 feet from the base
of the wall and the top of the ladder rests on the top of the wall What is how long must the ladder be? Length of the ladder =

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?