PLEASE HELP What is the sum of the first 43 terms of the sequence?

−235,−217,−199,−181,...

S43=

What is the exact volume of the cylinder 1.5 m 2.5 m

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !