Aplane is flying 6,478 feet above the ground. a helicopter is flying 4,817 feet above the ground.

about how much higher is the plane flying above ground than the helicopter?
round each number to the nearest hundred.

a.
1,600 ft

b.
1,700 ft

c.
2,000 ft

d.
11,300 ft

How to do this , and can some one explain

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?