P: Parenthesis
E: Equation
M:Multiplication
D: Division
A : addition
S: Subtraction
So first you need to divide because it is before so you divide 18 by 6 which is 3 then you subtract (31 - 3) which gives you 28
answer : 28
I believe the volume of the shape is 210mm. the formula is v=lwh. so you multiply all the numbers to get 210. hope that helped!
X^10 the exponent would be 10
If we do not care about order, then a combination is an arrangement of r objects chosen from n distinct objects. It can often be seen written as:

or

Its factorial form is:
Answer:
g(x) = 1/2x^2
Step-by-step explanation:
I hope this helps