Meg's first quiz she done better on. It was 92% and the Second quiz was was 90%.
Answer:
C. -24
Step-by-step explanation:
Hello!
To solve this we have to follow the order of PEMDAS
Parenthesis, exponents, multiplication and division, addition and subtraction

Parenthesis first

Exponents next
21 + 36 - 27 * 3
Multiplication and division from left to right
21 + 36 - 81
Addition and subtraction from left to right
57 - 81 = -24
The answer is C.-24
Hope this helps!
Answer:
17.6
Step-by-step explanation:
Formula= sumfx÷sumf
sumfx= 63×0+34×0+27×1+13×2=53
sumfx=0+0+1+2=3
53÷3= 17.6
final answer =17.6
Answer:
B
Step-by-step explanation:
the opposite angles of the quadrilateral ABDC are supplementary , that is
∠ BDC + 40° = 180° ( subtract 40° from both sides )
∠ BDC = 140°