There are 18 girls and 12 boys in your class. What is the probability

A chi-square test for goodness of fit is used to examine the distribution of individuals across three categories, and a chi-square test for independence is used to examine the distribution of individuals in a 2*3 matrix of categories.

Doughnuts are sold in bags and cartons. A bag holds 4 doughnuts and a carton holds 10 doughnuts. he buys a total of T doughnuts. Write down a formula for T in terms of B and c

Evaluate 5x^2-9 when x=2

Determine the intercepts of the line. y-6=4 (x+5)

The triangle below has a perimeter of 27 cm. What is the length of one side of the triangle? All 3 sides are the same length. cm

How much is 81% of 403? find the missing element in the following base-rate-percentage problem. round the answer to the nearest hundredth.

What is the difference between 23x and 9x

Braydon is mixing cement for a large patio. The instructions on the bag say that each batch takes 3 gallons of water per 4 scoops of cement mix. If Braydon plans to make 5 batches, how many scoops of cement mix does he need? 0.75 5 15 20

Horses cost $10, pigs cost $3, and rabbits are only $0.50. a farmer buys 100 animals for $100. how many of each animal did he buy? there are two correct answers.

Sal washed 5 cars in 50 minutes unit rate