Given P(A)=0.34P(A)=0.34, P(B)=0.45P(B)=0.45 and P(A\text{ or }B)=0.517P(A or B)=0.517, find the value of P(A\text{ and }B)P(A and B), rounding to the nearest thousandth, if necessary.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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?