Answer:
A) a variable
Step-by-step explanation:
A) a variable a variable changes value 7 does not change
B) an expression does not have an equal sign 7 does not have an equal sign
C) a constant 7 is constant, it does not change
D) a term is a group of numbers and variables with no operators
13.80 x 2= 27.60
1 pizza equals 13.80 so two pizzas will be twice that money amount. Both pizzas will cost $27.60.
I hope this helped
<4= 150
<6=150
because the angels are parallel <4 & <2 are the exact same measurements and because 6 is perpendicular to <4 & <2 thus making it also 150 degrees
X=-13/5
Simplify both sides of the equation, isolate the variable, and then you get your answer.