Ahouse and lot are worth 15,600. if the house is worth 12 times the value of the lot, find the value of each.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Nine more than four times a number is the same as one less than twice the number. find the number?

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