Answer:

Step-by-step explanation:
Assuming that you tried to write:

we can multiply the 4 on the outside of the parenthesis to all the terms. Multiplying, we get

Because you don't want any negative powers in the top, we can move it down to get:

Answer:
See below in bold.
Step-by-step explanation:
Mean = 150 cm = 150 * 0.033 feet
= 4.95 feet.
The standard deviation = 10 cm = 10 * 0.033
= 0.33 feet.
Answer:
61-6=55 55/5=11 $11 for a dvd which is expensive btw
Step-by-step explanation:
Answer:
Step-by-step explanation:
24^2 + b^2 = 40^2
576 + b^2 = 1600
b^2 = 1024
b = 32