Which would be the best method to use to solve the following equations. Explain your reasoning. Use each method only once. Factoring, Square root property, Completing the square, and the Quadratic formula 1. x^2- 49 = 0 2. x^2 - 3x - 4 = 0 3. x^2 - 2x - 6 = 0 4. x^2 - 17x + 7 = 0 which method would you use for each and why,? ​

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500

a

step-by-step explanation: