Solve x2 + 6x = 7 by completing the square. Which is the solution set of the equation?
O {-7, 13
O 1-3 - V10, – 3 + V10)
O 13 - 10, 3 + V10)
O {1,7)

Acharity is conducting a raffle, and it sells one ticket each to 35 women and 21 men. if 5 winners are randomly selected, what is the probability that they are all men? round to five decimal places. 0.00533 0.06268 0.09537 0.07776

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class