Answer:
there would be 55 different combinations if there were 9 painting and there would be 49 different combinations if there were 8 paintings. i don't know what the first question means
The sum of three and a number is 3+x
90-x because a complementary angle is =90 degrees.
<span>No sé la forma correcta de hacerlo, pero encontrar conjuntos de dos números que pueden igualar 12, luego encontrar cuál de los encaja en la segunda ecuación correctamente.</span>
The answer would be 40 days
We achieve this answer by dividing the distance of the trip, 30 miles, by the distance traveled per day, 3/4 miles.
