Find the number that must be added to each expression to form a perfect square trinomial. then write the trinomial as a binomial squared.

x^2+6x+

( )^2

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244