Answer:
First, the classified triangle would be scalene triangle.
Step-by-step explanation:
21/3 is 7 so there are 7 pens for every 1 ratio
7 x 1 = 7
21+7 = 28
Answer:
13a + 9b + 11
Step-by-step explanation:
- 9a + 4a = 13a
- 4b + 5b = 9b
- 4 + 7 = 11
- Put them together: 13a + 9b + 11
I hope this helps!
Answer:
0.25
Step-by-step explanation: