Two identical regular hexagons are joined together as shown in the diagram. Work out the size of angle x .

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi