Multiply (j+7)(j-7)
a. j^2 + 14j - 49
b. j^2 - 14j - 49
c. j^2 + 14j - 49
d. j^2 - 49

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

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth