Aremote-control airplane can have 2 or 4 engines. the probability
that an engine fails due to a mechanical problem is 0.05, and the plane needs at
least half of its engines to be working to stay aloft. would it be better off with 2
or with 4 engines?

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827