Answer:
One
Step-by-step explanation:
145=2x
72.5=x that's one solution.
Linear function: d = -4m+50 (that's a negative 4 btw)
Slope: -4
y-intercept: 50
I'm truly sorry but I forgot how to do the last one :(
You basically need to set up a porporion:
1.6/2.4 = x/7.2
x=4.8
