Answer:
Only A is correct
Step-by-step explanation:
A is shown in the image below.
For B, a rectangle does not have its lenght and height having the same dimension.
For C, such a cross section will give a square with sides of 4 cm each.
Answer:
Step-by-step explanation:
First, we change both denominators to the LCM (lowest common multiple) which is 8.
Since the denominators are the same, we can add the numerators.
or it can be written as
Step-by-step explanation:
here's the answer to your question
Subtraction doesn't mix with mult. or div. Are you sure you've copied this problem down correctly?
"decrease an amount (x) by 19" would be x - 19 (NO multiplication here)
1.41 x 10^7 you move the decimal over to the left until you have a number between 1-9