What's the answer to 8 - (-4)

A student repeats the process of taking blocks out of a bag and replacing them 100 times. A green block is drawn 67 times. What is a good estimate for the probability of drawing out a green block from the bag?

Find the mean, median, and mode of the following set. 27, 20, 34, 37, 21, 42, 39

A compact disk (CD) has a diameter of 12 cm. The hole in the middle has a diameter of 1.5 cm. What is the area Area of the disk?

How do you factorize this equation : x2 + 9x+20

Ezra is saving money to buy a snowboard that costs $225. He already has $45 and can earn the rest by walking ten dogs.

Which statement correctly compares |-20| and |5| ? A. |-20|=|5| B.|-20|>|5| C|-20|<|5|

Estimate the value of √2 --- √ 5 A. 0.33 B. 0.50 C. 0.67 D. 2.0

Write a possible polynomial function in factored form with roots 0, - 5, and 3. f (x) = x ( - 5) (x+3) f (x) = (x + 5) (x - 3) of (x) = x (x - 5) (0 - 3) f (x) = x (x + 5) (x - 3)

Mercury is about 57,000,000 from the sun, whereas neptune is about 4.5 x 10 to the 9th power km from the sun. What is the difference between mercury and neptune's distance from the sun

Awnser fast to get prize solve -6+9.8x=33 1/5