What is 15% of 60 show using a model

Ined this is due tomorrow and i dont know the answer can you find all the exponents

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.