Answer:
A.A(n) expression is a mathematical relationship that uses one or more variables, numbers or operation symbols.
B.A(n) variable is a symbol that can be replaced by a number in a mathematical expression or equation.
C.A(n) equation is a mathematical sentence with an equal sign.
Answer:
1
Step-by-step explanation:
Given expression:

Following the <u>order of operations</u>, carry out the operations inside the parentheses first:





Convert 27 to a fraction:

Cross cancel the common factor:



True, angle sums are generally equal to (n-2)*180, where n is the number of sides
Answer:
only option less than $3 is (C)
Step-by-step explanation:
Volume(cylinder) = πr²h or Bh
I used the guess-and-check method and got the following:
A) 3.85
B) 3.39
C) 2.67
D) 5.65
Answer:
18
Step-by-step explanation: