Twenty-eight people in student council are running for the offices of president and vice-president. In how many different ways can those offices be assigned?

378

55

756

jim is selling greeting cards at a booth at a folk fair. he will be paid $12 plus $2 for each box that he sells how many boxes must he sell in order to make at least $42

Solve 18z = 72 algebraically. Then, check your answer.

Evaluate (c - b) 2 + a2 for a = - 5, b = - 2, and c = - 4. 17 61 29 37

Which of the following probabilities is the greatest for a standard normal distribution? P (-1.5 575-0.5) P (-0.5 SZ30.5) P (0.5 5731.5) P (1.5 523 2.5)

Among three bases, X-X-, Y-Y-, and Z-Z-, the strongest one is Y-Y-, and the weakest one is Z-Z-. Rank their conjugate acids, HXHX, HYHY, and HZHZ, in order of decreasing strength.

Assume the random variable x is normally distributed with mean 86 and standard deviation 4. Find the indicated probability of P (x<79)

Which is bigger 3/8 or 3/6

Sheila earns $8 per hour at her afterschool job. After working one week, she received a paycheck for $104. Write and solve an equation to find the number of hours Sheila worked. Fill in the blank with the solution only.

1) There are 80 grams of salt in a 32% solution. Find the weight of the solution 2) how much water should be evaporated from a 300 grams of a 20% salt solution to get a 25% salt solution 3) salt was mixed with pure water in a 1:3 proportion.

Use the binomial series series to expand the function as a power series. 3 / ((6+x) ^3)