(-3) to the power of -4
Please include your work!

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

A+b= 17, ab=70, find the value of |a-b|

2. there are 250 students in a school auditorium. use numbers from the box to complete the table. 16, 38, 18, 45, 25, 50, 32, 60 grade number percent of all students of students fifth 24 sixth 95 seventh 20 eight 45