What are the parts of an algebraic expression? explain

Algebraic expressions are combinations of variables , numbers, and at least one arithmetic operation. For example, 2x+4y−9 is an algebraic expression. Term: Each expression is made up of terms. A term can be a signed number, a variable, or a constant multiplied by a variable or variables.

from google

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

answer: the answer is 127 degrees