A1 = 2 and = 6(an − 1); for n ≥ 2 Select the geometric sequence that can be constructed from the given recursive formula, and select the explicit formula for the sequence

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Explain how you can use the associative property to evaluate (7x50)x4.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line