Mr. Burleigh can create one math exam in 2 hours. mrs. day can create two in 1.45 hours. how long will it take the two of them working together to create one math exam

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Can someone me i’m confused. will give brainliest and a whole bunch of points

What is the 12th term of b(n)=-4-2(n-1)