I think its 210 because there are 7 letters and 3 vowels so the permutation would be 7 P 3.
Step-by-step explanation:
1) given
2) 2 non - common sides in 1 ray
3) supplemental
5) opposite angles are congruent
Answer:
5c^2 +6c +13
so we can see than 5c^2
and 13c - 7c are the same = 6c
and 4 +9 = 13
so answer will 5c^2 +6c +13
45
