Answer:
7.
Step-by-step explanation:
21 = 3 * 7
28 = 2 * 2 * 7
42 = 2 * 3 * 7
Collecting common factors:
t is common to all 3 sets of factors so
HCF = 7.
Answer:
D) The very last one
Step-by-step explanation:
n + 6 < 4
n < -2
< means it's an open circle and goes in the LEFT direction
First, we are going to find the painted area of his house. We know that the total area he needs to paint is 4000 square meters, so 4000 is the area of this house. Now, to find the 62.5% of that area, we are going to multiply it by

:
Painted area=

Now, to find <span>rate, in square feet per hour, we are going to divide the painted area by the number of hours:
Rate=</span>

We can conclude that Kyler paints at a rate of
434.78 square feet per hour.
A sequence of transformations maps triangle ABC into triangle A’B’C