Forty students in the second grade class listed their hair and eye colors in the table below:

Brown hair Blonde hair Total

Blue eyes 5 12 17

Brown eyes 16 7 23

21 19 40

Are the events "blonde hair" and "brown eyes" independent?

If (x) = - 2x and g (x) = 3 + x^2, what is the value of g (f (2)) ? A. 19 B. 12 C. - 13 D. - 14

Jordan has a garden that is 528.15 square feet. if she divides the garden into 3 rows of equal size, how many square feet are in each row?

The chickens at Colonel Thompson's Ranch have a mean weight of 1850 g, with a standard deviation of 150 g. The weights of the chickens are closely approximated by a normal curve.

Can anyone explain these? A rectangle has a perimeter of 36 in. The length and width are scaled by a factor 2.5. What is the perimeter of the resulting rectangle? A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.

The frequency (F) and length (L) of a wave are related by the following formula: F x L = 3.0 x 10^10. Consider that the wavelength of violet light is 1.3 x 10^-8. What is the frequency of violet light? A) 1.7 x 102 B) 2.3 x 102 C) 2.3 x 1018 D) 4.

A type of Bamboo holds the Guinness World Records for the fastest growing plant. It can grow up to 91 cm per day. How fast in inches per day can the bamboo grow? Show your work using the correct conversion factors.

A bag held 3 red marbles, 1 blue marble, and 4 yellow marbles. Lee drew a red marble and did not replace it. What is the probability of drawing a yellow marble next? A. 1/4 B. 1/3 C. 1/2 D. 4/7

Solve for x. x/2-6=-3

Which of the following polynomials is a binomial? O A. 6x ОВ. 5 х - 9 Ос. х2 + 8x - 3 D. 2 х2 + 4 х2 - 7 х+1

3x minus 7 divided by 2 equals negative 5