A.
Because in mathematics, a geometric progression, also known as a geometric sequence, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.
You keep the same sign. So:-
4 + 4 = 8 and
--4 + -4 = -8
Answer:He can bring up 13.8333333333 boxes each trip
Step-by-step explanation:
970-140= 830
830÷60=13.8333333333
14. It's finding volume. The depth of the water is the value for the height.
15. I believe it's C