7 years ago you decided to invest $7,800 into a savings account. When you withdrew the money, you received $8,750. How much money did you earn in interest over those 7 years?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Select the correct answer and solve for y