What number gives you a result of -13 when 11 is subtracted from the quotient of the number and 5

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)