Y'''-14y'''+45y'=128e^x

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?