What are the solutions to the equation?
x2 + 6x = 40

O x=-10 and x = 4
O x= -8 and x = 5
O x= -5 and x = 8
O x= -4 and x = 10

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?