<span>Standard notation is when a number is completely written out using numerical digits
Hope it helps</span>
Answer:
Sarah is incorrect.
Step-by-step explanation:
By plugging 10 in as 'x' to the equation, we get y=21+(2*10). 2 x 10 is 20, and 20 + 21 is <em>not</em> 42 - it's 41. So, Sarah is incorrect.
Answer:
9.42
Step-by-step explanation:
V=pir2h
(pi, radius squared, height)
hope this helped!
Answer:
Rectangle or square
Step-by-step explanation:
The diagonals are perpendicular bisectors of each other. C) All four angles of the parallelogram are right angles. Congruent diagonals eliminates the rhombus. This leaves the rectangle or the square.
200. 50x4=200 hope that helps