an airplane is 4,000 feet above the ground .it begins to descend at a rate of 140 feet per minute. how many minutes will it take until the plane is 2,600 feet above the ground?

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph

1. 25pi ft^2 2. 5pi ft^2 3. 10pi ft^2 3. 20pi ft^2