Find the volume of the cylinder

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog