Me with # i am not doing well with math right now

Ten times the square of a non-zero number is eqaul to ninety times the number

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Jace didn’t pay his previous month’s credit card bill in full. this month’s bill shows a finance charge of $35.13. jeremy calculates the average daily balance in the new bill to be $2,342.15. what is the monthly percentage rate on the card? a. 1.5% b. 1.82% c. 14.9% d. 18.0%