A random sample of 20 items is selected from a population. to determine the appropriate critical t-value what number of degrees of freedom should be used?

What are the solutions to 2|a-17|=10

How many possible groups of 4 cards from the 30 are possible

Which is the most efficient way to solve this equation? +4=17 Subtract 4 from both sides because that will result in an equivalent equation with alone on one side.

Solve 40 = 20 + 2 (x-3)

What is the 10th term in the pattern with the formula 5n + 100?

Does 0.15>0.105 yes or no

22x - y = - 23 (equation 1) 11x + 12y = 1 (equation 2) To find the value of x, you need to substitute in equation 2. The value of x is.

It took Miguel 7 mins 38 secs to run one mile. It took Jorja 9mins 13 secs to run one mile. How many more seconds did it take to run one mile than Miguel

Each dimension of a parallelogram is multiplied by a positive number n. Write an expression for the area of the new parallelogram. Let b represent the base and h represent the height of the original parallelogram.

4 more than the product of 8 and n