Which of the following equations have the correct solution? Select all that apply. O
3n + 7 = 16; n = 3
11 = x – 1; x = 15
*** = 2x; x = 1
0
20 - 2t = Ft +
=t+28; t = -3.2
O4 + y -2- 2y = 16+ y; no solutions

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

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

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?