Maria solved the equation -5 1/8 n = -9 3/4. here answer was n = 1 37/41. she is fairly confindent about her answer, but wants to do a quick check of her solution using estimation.

Look at attachment. has all info needed. need

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

Define multiplicative inverse. give an example of a number and its multiplicative inverse.