If a and b are parallel and c and d are parallel, which pair of angles are congruent? A. 1 and 16
B. 5 and 8
C. 9 and 11
D. 12 and 13

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

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?