What is the length of the missing leg in this right triangle? A right triangle has a side with length 7 millimeters and hypotenuse with length 25 millimeters. 18 mm 24 mm 26 mm 32 mm

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

The square root of 9x plus 7 plus the square rot of 2x equall to 7