PLEASE HELP ASAP ITS DUE REALLY SOON!! DIRECTIONS: determine if the sequence is geometric. if it is, find the common ratio and the three terms in the sequence after the last one given.

1) -1, -2, -4, -8 ...

2) 2, 4, 8, 16 ...

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )