Answer:
for the first one it would be y=3x-4 the second one is y=x-3
Step-by-step explanation:
graph the one with the x behind it one the x axis and the one without a letter on the y axis
I'm not so good but I think thatmeans r is a different number and its half of 14 so figure out an equation
87 24/25.......24/25 = 0.96......answer is 87.96
224 7/10....7/10 = 0.7....answer is 224.7
686 49/50...49/50 = 0.98...answer is 686.98