Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
Answer:
With what?
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
16 divided by 4/5 = 20 :)
Answer:
4.375 sq. in.
Step-by-step explanation:
multiply 1.25 by 3.5 and you get 4.375