Tell if each of the subtraction sentences would always, sometimes, or never be true. Support
your answer with two examples.
a. (+) – (+) = (+)
b. (+) - (-) = (-)
c. (-) - (-) = (-)
d. (-) - (+) = (+)

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Which of the following best describes the figure?

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?