Evaluate and match each expression on the left to its value on the right, when x = 9 and y = 6. 12 - x
14
x + 3y
3
4y - 10
27

1/3xy 18

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

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?