The letters, A, B, C, D, E, F, G, H, I, and J are writen on slips of paper and placed in a hat. Two letters are then drawn from the hat. what is the probability that the letters chosen would be only B, C, D, or F?

What is the solution to the following system 4x+3y-z=-6

A figure has a length of 10 cm, a width of 7 cm, and a height of 3 cm. What is its surface area?

2) What is 3,765.248 rounded to the nearest tenth?

if 2 political opinion surveys of about 3000 people each give results as 45% will vote No the other 50% will vote No，and there stated estimated errors are each ＋/－3%， can they be said to agree with each other? support your answer.

Determine the constant of variation for the direct variation given. R varies directly with S. When S is 16, R is 80. 1/5 5 16

How old am I if 500 reduced by 3 times my age is 230?

In a school gym, the ratio of the number of boys to girls was 4:3. After 160 boys left the gym, the ratio become 4:5. How many girls were there in the gym

Explain how a hypothesis may become a theory.

Seven subtract three b plus four subtract five b

Solve the equation for x: 4-3/2x = 16 MIN