What interval includes all possible values of x, where –3(6 – 2x) ≥ 4x + 12?
(–∞, –3]

[–3, ∞)

(–∞, 15]

[15, ∞)

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?