I. you withdraw $17 from your account.

ii. a running back loses 17 yards in a game.

iii. the temperature rises 17 degrees.

the integer -17 would best represent which of these events?

a. i only
b) iii only
c) i and ii only
d) ii and iii only

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n