Answer:
0.73
Step-by-step explanation:
A rational number is any kind of decimal, fraction, or negative number, or whole number. This is a decimal, so you can go from in-between 0.71-0.79, any of those numbers will work.
D. 28 feet
a²+b²=c²
45²+b²=53²
2025+b²=2809
b²=784
=
b=28
True
1 or 4 I think