Answer:
A,C,F
Step-by-step explanation:
Answer: a + d = 180 degrees is false
Answer:
10.25
Step-by-step explanation:
Answer:
The letters of the word readers can be arranged in 1260 distinct ways.
Step-by-step explanation:
A word has n letters.
The are m repeating letters, each of them repeating
times
So the number of distincts ways the letters can be arranged is:

In this question:
Readers.
Has 7 letters.
E repeats twice.
R repeats twice.
So

The letters of the word readers can be arranged in 1260 distinct ways.