Which measurements could NOT represent the side lengths of a right triangle?
A 2cm, 3cm, 5cm
B 5cm, 12cm, 13cm
C 6cm, 17.5cm, 18.5cm
D 3cm, 4cm, 5cm

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?