in one district 20% of the grade 7 teachers assinged homework over the holiday break. if 12 teachers assinged homework, how many total grade 7 teachers are their

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

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl