Determine rational numbers p and q if 7+√5 / 7-√5 = p+q√5

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?