Write a mathematical phrase for the following algebraic expression and write the variable used in the algebraic expressions

1.) P - 7
Algebraic Expression:______
Variable(s):________

2.) 2(s - 4)
Algebraic Expression:______ Variable(s):________

3.) 3/5xb
Algebraic Expression:______ Variable(s):________

4.) c + 15
Algebraic Expression:______ Variable(s):________

5.) 2(4 + c) -7
Algebraic Expression:______ Variable(s):________