Help I need the answers in 20 minutes

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.

What is the total surface area of this square pyramid?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth