I need help finding bc and ac

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.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Use the distributive law to multiply. 3(4x + 5y + 6)