A sock drawer contains 18 blue socks and 10 black socks. If two socks are randomly drawn from the drawer without replacement, what is the probability that two black socks are chosen

A. 10/189

B. 5/42

C. 45/392

D. 25/196

A student takes an exam. The ratio of her right answers to her wrong answers is 10 to 3. Which of the following could describe this situation? She answered 20 wrong and 23 right. She answered 70 wrong and 21 right. She answered 21 wrong and 70 right.

Kendrick's kennel has 2 spots for cats for every 7 spots for dogs. if he has a total of 144 spots for both cats and dogs then how many more spots does he have for dogs than cats

Tubby ate 100 cookies in 5 days. Each day he ate 6 more than the day before. How many cookies did he eat on the first day

Derrick's garden is 18 1/2 feet long. He plants 3/8 of a foot apart. How many bulbs can Derrick plant in one row?

You spin the spinner, flip a coin, then spin the spinner again The probability of spinning blue, flipping heads, then spinning a 1 is

Identify the amplitude and the period of the function c (x) = 3cos (x + π).

Suppose that a cell phone monthly rate plan costs the user 5 cents per minute beyond a fixed monthly fee of $20. This implies that the relationship between monthly cost and monthly number of minutes is linear.

Riki rides her bike 26 miles every week. What is the total numbers of miles she will ride in one dozen. What is the total number of miles she will ride in 7 weeks

Atherine has $54. She plans to spend more than $20 of the money for a painting canvas. The rest will go toward paints. Each tube of paint costs $8.50. Assume that x represents the number of tubes of paint Catherine can buy.

What is the answer for 100 - the sum of 3+x