There are 20 students in the cast and crew of the school play. any group of 7 or more of these students must contain at least 1 boy. what's more, any group of size 15 must contain at least 1 girl. how many boys are working on the play?

What is greater 0.83 or 8.3

Tammy is c choosing a 3 letter password from the letters a b c d and e the password can I have the same letter repeated in it how many passwords are possible coach of a softball team is holding tryouts and can only take two more players for the team

I am a solid figure with two congruent polygons that are bases connected with lateral faces that are rectangles

A person runs 1 4/5 miles in 1/5 of an hour. Determine how many miles they're walking per hour.

0.3y + y/z when y=10 and z=5

Item 10 A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (400-40t) dollars and the balance of the fundraising account is (150+32t) dollars.

How do you find the time once given the average speed

JAmes earned 64.38 for working from 8:00 am to 4:15 and in that time he took 1 hour, how much does he earn every hour

Evaluate the value of x 3x+-4=8

one gallon of milk costs 3.60, but this cost is projected to increase 10% in the next 5 years. what is the projected cost of a gallon of milk 5 years from now?