There are 30 students in a class and x of them are boys. Write down an expression for the number of girls in the clas ss.​

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

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

Solutions for 2x+7 less than or equal to 3x-5