Which of the binomials below is a factor of this trinomial?
x2 + 2x-63
o a. x+3
o b. x-3
o c. x+9
o d. x-9

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.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.