A container has 1 pink block and 3 green blocks. Juan wants to make the probability of randomly selecting a black block equal to 50%. How many black blocks should he add?

4 (x-7) (x+6) = 0

How do you turn 3.0035 into a fraction

In 1980 the median age of a resident of the united state was 30 years. By 2000 the median age had increased 5.3 years. What was the median age of a resident of the United States in year 2000?

Given the following system, what variable will eliminate? 5 - 2 = 17 4x + 2y = 12 Ох Оy Both variables will eliminate. Neither x nor y will eliminate.

Would 1/5 be greater than 1/3 but less than 2/3

Samantha, each year, reads 5 books during her 8 week break. How many books does she read each week?

What x2-21x-100 in standard form

Find the quotient of 4/8 divided by 4/6

Teesha is in the chess club. There are 31 students in the club. Four of them will be picked at random to attend an awards banquet. What is the probability that Teesha will not be randomly chosen to attend the banquet? a. 31/27 b. 27/31 c. 31/4 d.

What decimal is equal to 7/10 0.6 0.15 0.2 0.7 0.4?