tina is making rectangular signs. each poster has an area of 1800 square inches and the length is 30 inches more than the width. find the length and width of her sign.if x represents the width of each sign, select all of the equations that could be used to solve this problem.2(x)+2(x+30)=1800(x+30)(x)=1800x(30x)=180 0x(x+30)=1800

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%