Guys please help me, I will give brainliest for the right answers The first choices are: 5, 10, 12

The Second choices are: 10, 12, 5

The Third choices are: 70, 62, 110

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?