Select all expressions that are equivalent to 6x+1−1(3x−1) . a. 6x+1−3x−1a. 6 x plus 1 minus 3 x minus 1 b. 6x+(−3x)+1+1b. 6 x plus open paren negative 3 x close paren plus 1 plus 1 c. 3x+2c. 3 x plus 2 d. 6x−3x+1−1d. 6 x minus 3 x plus 1 minus 1 e. 6x+1+(−3x)−(−1)

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?