There are 25 students on the school bus 5 girls and 20 boys what is the ratio of girls to boys on the school bus

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

Me because some of question i don’t understand

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882