If y varies directly as x and y= -16 when x=6, find x when y=-4

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce