HOW can I solve algebraic word problems involving geomtery

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

What is the value of y? round to the nearest tenth

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.