What is 2x-5+3a-5x+10a as a simple expression

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.

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

What expression is equivalent to log3(x+4)