HELP ME Please and thank you?

98

Step-by-step explanation:

21 + 77

= (20 + 1) + (70 + 7)

= 90 + 8

= 98

You graph the y-intercept first... The y-intercept is -4 so you go down four units on the y-axis that will be your first point (0,-4). The slope is 3/4 and can be translated as rise over run. rise is numerator run is denominator. From the -4 You rise three units up since its positive three, and then you run 4 units to the right since the 4 is positive. Your second point should be at (4,-1).