Answer:
D. c/7
Step-by-step explanation:
An algebraic expression refers to the equation. In the question, it says to divide a number (c) by seven, giving you c/7
Answer:
x + 52 + 78 = 180
Step-by-step explanation:
By angle sum property of a triangle:

The value of 3 in 6,300 is 10 times the value of 3 in 530. And your welcome.
No offense but this is really easy all you do is substitution
(2+3)= 5