Answer:
Prime.
Step-by-step explanation:
A^2+4a+12
Not factorable.
Answer:
because all triangle's interior angles add up to 180 degrees so and angles 8 and 9 are supplementary. Angle 9 is 77 degrees.
Step-by-step explanation:
because all triangle's interior angles add up to 180 degrees so and angles 8 and 9 are supplementary. Angle 9 is 77 degrees.
If the hundreth digit is equal to or larger than 5, increase the tenths digit by 1 and get rid of the hundreths digit altogether.
You use the lower case letter s for the sample standard deviation
You use the greek letter sigma (written as

) for the population standard deviation