Shane downloaded 7 songs in 3 minutes. at this rate how many songs can he download in 1 1/2 hours

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

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?