a sample of 100 pregnancies were found to take an average of 267 days. the population deviation is known to be 13 days. find a 90% confidence interval for the true population mean.

Which symbol makes this sentence true 239,475 240,567

Find the numerical value of one trigonometric function of x for csc x = sinxtan + cos x

Convert each fraction to a decimal. Classify the decimal as terminating, non-terminating, repeating, or nonrepeating. If the decimal repeats, rewrite it using bar notation. 3/8

Mrs. Harris ordered 6 pizzas for her son's birthday party. The total cost of the pizzas not including delivery or tax was $53.94. Each pizza cost the same amount.

What is the simplified version of 137 rad

An electronics store reduced the price of a TV from $1000 to $880. What was the percent of decrease?

Solve. Explain how you interpreted the remainder. Mr. Jenson is buying pencils to sell at his art supply store. His budget is $205. If packs of 100 pencils cost $8. How many packs can he buy?

Samuel's Car Service will charge a flat travel fee of $4.75 for anyone making a trip. They charge an additional set rate of $1.50 per mile that is traveled. What is an equation that represents the charges? 1) y=1.5x+1.5 2) y=4.75x+4.75 3) y=1.5x+4.

Use the traditional algorithm. What is (+16) divided (+2?

What is 0.0000000734 estimated as the product of a single digit and a power of 10?