Answer:
Prime number
Step-by-step explanation:
A prime number has 2 factors.
A composite number has more than 2 factors.
47 has the factors 1 and 47.
47 is a prime number.
45 miles
first divide miles/minutes: 15 / 20 = 0.75
then multiply: 0.75 x 60 = 45
That is an obtuse isosceles
19$
