If the interest 4,000 for 4 years is 1,280 what is the interest rate

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?