Is x = 9 a solution of this equation x + 6 = 3(x - 4)

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.

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Which best explains why this triangle is or is not a right triangle ?