Atriangle cannot exist if a< 90 and a 90 and a< b true or false

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

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

Find the solution(s) to x^2-14+49=0