without solving determine the number of solutions to each of the following system of linear equation 2x+3y=3 3x+4y=5

What is r i 4.5+10r=-6.5 with work pls

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%

What is the value of the discrimination for the quadratic equation 0=×2+2+×2