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A father and his son can clean the house together in 7 hours. When the son

works alone, it takes him an hour longer to clean than it takes his dad alone.

Find how long it takes the son to clean alone.

What is the probability of rolling a 6-sided die and getting a 4 or a number divisible by 3?

Use the given triangles to evaluate the expression. Rationalize all denominators. cos Pi/6

Mr. Jackson likes to play a game in which rolling a 4 on a number cube doubles your score. He wants to know the probability that he will roll a 4 exactly 3 times out of 10 rolls. I need four reasons this is an example of a binomial experiment.

In 1926 the very dirt first test asked if a mans salary is 20 dollars a week and he spends 14 dollars a week how long will it take him to save 300 dollars

Edna raises money for charity and donates $124 per week. how much does edna donate to charity each year? note: there are 52 weeks in a year.

Which distribution has the greatest spread a. 13.7 - 3.1B. 423.6 - 1.3C. 38.4 - 7.2D. 231.4 - 5.5?

F (x) = x5 - 2X * + 3x3 - 2x² + 7x-1

Find two numbers whose product is 20 and whose sum is 12

Round 7.92 + 5.37 to estimate

You travel for 450 miles and it takes you 7 hours. What is the average rate?