A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the standard deviation of the sampling distribution of sample mean equals:

Ms. Grundy decorated a card using of a foot of ribbon. Ms. Alba decorated a gift using a piece of ribbon 8 times as long as Ms. Grundy's. What length of ribbon did Ms. Alba use?

What is the factored form of the expression? 3x2 + 8x - 16

What si the simplest form of - 17/4

Find the central angle of a sector of a circle if the area of the sector and the area of the remaining part of the circle are in the proportion 4 : 5 (with explanation)

How does the graph g (x) = 10^x-8 compare to the graph of f (x) = 10^x

What is the answer too this (3x+3) (x+4)

If i hace 2 f's and i am homeschooled will i get held back and repeat the 7th grade?

6*10^-2 is how many times as 2•10-8

If 5 potatoes together have a mass of 1 kilogram and 8 pears together have a mass is 1,200 grams, which has the greater mass, a potatoe or a pear? Explain.

Minor's driver license requirements includes your parent (s) or guardian (s) signature (s) on your instruction permit stating that you have completed 50 hours of supervised driving practice with 10 hours of driving at night.