Which of the following values "completes the square," or creates a perfect square trinomial, for x2 + 10x +_
25
10
5
†5

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

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.