In how many ways can 9 cells of a6*6 grid be painted black such that no two black cells share a corner or an edge with each other?

One ton=2,000 pounds. In pounds, what is the weight of each cylinder?

If I triple four and subtract 2 each day how many days till I have zero

Absolute value for - 7 4/5

Using the numbers - 4, 10, 8, 2, - 3, 5 create two expressions that equals 6

In a toothpaste survey, 5 of the first 15 people surveyed preferred the same toothpaste. If 30 people will be surveyed altogether, predict the number of people who will prefer a different toothpaste. Give a reason to support your answer

There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of getting red to be at least 50%. How many red do you need to add?

Write 450 miles per 18 gallons as a unit rate (miles per gallon)

If 15 hats cost $120 and all the hats all cost the same amount, what is the price of each hat?

Questions 6 to 10 are related. based on a random sample of n=15 observations, we have obtained a sample mean of x (bar) = 1050. the goal is to test: h (0) : μ≤1000 and h (a) : μ>1000 assume that x is normally distributed with σ=150.

State the domain and range of the relation. (-2,6), (-1,3), (0,2),1,3), (2,6)