The perimeter of a regular decagon is 788m.
State the length of one of its sides.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30