Hello people I can use some help

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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%