11 numbers are written in a row so that the sum of any three consecutive numbers is 18 is 18, and the sum of all the numbers is 64. Find the 6th number.

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15