Answer:
1
Step-by-step explanation:
1/2 of 12 students scored a 90 or above in class 2, which is 6
1/4 of 20 students scored a 90 or above in class 2, which is 5
6 - 5 = 1
y=15x+250 (x is the number of guests)
the 15 is the slope, so that is the number that has to be multiplied by. The 250 is an additional fee that doesn't change, so it's just added on.
sometimes it be like that
y
e
s
