Which best describes the relationship between the successive terms in the sequence below?

–3.2, 4.8, –7.2, 10.8,
a)the terms have a common difference of 8
b)the terms have a common difference of 1.6.
c)the terms have a common ratio of –1.5.
d)the terms have a common ratio of –0.67.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.