there are 3 seniors for every 2 juniors in the concert choir. if there are 21 seniors in all, how many jurors are in the concert choir

What is 0.000487 in scientific notation

A basket is filled with 7 white eggs and 14 brown eggs. half of the brown eggs are cracked. an egg is randomly selected from the basket. what is the probability that it is a cracked, brown egg? write your answer as a fraction in simplest form.

Multiples of 5 less than 39

Determine if the pair of ratios or rates are equivalent. $18 for 3 bracelets; $30 for 5 bracelets Are these equivalent yes or no

If f is an explanatory variable and g is the corresponding response variable, which of these would be represented by the vertical axis on a scatterplot? A. Neither f nor g B. f C. Both f and g D. g

Sarah makes a party punch that requires 1 gallon of orange juice for every 1 and one half gallons of lemonade. Dean's favorite punch recipe calls for 4 gallons of orange juice for every 1 gallon of pineapple juice.

If the probability that it rains tomorrow is 35%, what is the probability that it does NOT rain? A) 15% B) 35% C) 65% D) 75%

Find z↓0.755. (like a downward exponent) A -0.2266 B 0.2266 C -0.69 D 0.69

Francis has 6 chocolate bars. he gives one to John and one to Chester. he keeps the rest for him. what fraction of the chocolate bars did he give away?

To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were interviewed. Of those, 115 had a swimming pool.