A hyperbola has its foci at (1, 7) and (1, –13). A directrix of the hyperbola is y =64/10 . What is the equation of the hyperbola?

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.

Which is the graph of this function 3 square root of x plus one if

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.