A class has 20 boys and 30 girls and 15 students are to be selected at random for a special assignment. find the probability that exactly 5 boys will be selected.

What time is 16 minutes after one

Convert 6R-6U to polar form.

F (x) = squared x^2+7x+6

The heights of some students are given. 158cm 172cm 164cm 164cm 167cm 159cm what is the range of the heights?

The angles of a triangle are in the ratio 6 is to 5 is to 7 what is the size of each of its angles

One number is seven less than two times another. If their sum is decreased by four, the result is one. Find the numbers.

If you have $19 and you spend $6 on baseball tickets, what fraction of your money did you spend?

Ruby is visiting San Francisco. From her hotel she walks 1 block west ans 4 blocks south to a coffee shop. Then she walks 5 blocks east and 6 blocks south to a museum. Where is the museum in relation to her hotel

A youth chorus has 30 members. There are 14 boys in the chorus. What is the ratio of boys to girls in simplest form? A. 7/15 B. 8/15 C. 7/8 D. 8/7

Each morning Papa notes the birds feeding on his bird feeder. So far this month he has seen 59 blue jays, 68 black crows, 12 Red Robin's and 1 cardinal. If 300 birds visit Papa's bird feeder, how many blue jays can we expect to see?