Is x2 + 1 a factor of 2x4 + 5x3 - x2 + 5x - 3? Explain.​

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

The radius of the circle below intersects the unit circle at (3/5,4/5). what is the approximate value of theta? 0.6 radians 1.0 radians 36.9 degrees 53.1 degrees