Ascience fair poster is a rectangular 4 feet long and 3 feet wide. what is the area of the poster in square inches?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me