A pound of ground beef costs $5. At this rate, what is the cost of:
3 pounds

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points