A number decreased by 12 is 24

In statistics, what does df denote? If a simple random sample of 22 speeds of cars on California Highway 405 is to be used to test the claim that the sample values are from a population with a mean greater than the posted speed limit of 65 mi/h,

Subtract. (5r2+5r+9) - (3r+2)

What is the measurement of 6 centimeters equal to A. 600 meters B. 6/10 of a millimeter C. 60 millimeters D. 600 millimeters

Sarah entered a 100 word story competition. She wrote her story over two evenings. on the first evening she wrote 6/10 and on the second evening she wrote the rest. a. how many words did she write on the first evening? b.

Kim purchased a property for $205,000. Assuming that its value will appreciate 4% per year, how much will the condo be worth in 6 years? How long will it take the value to double?

Will mark brainliest! A 3-pound piece of salami costs $14.99. A 12-ounce package of the same sliced salami costs $4.39. What is the difference in price per 4-ounce serving?

Giselle works as a carpenter and as a blacksmith. She earns $20 per hour as a carpenter and $25 per hour as a blacksmith. Last week, Giselle worked both jobs for a total of 30 hours, and earned a total of $690.

Which of the following represents three times answer minus 5?

Decide whether the relation defines a function. { (-3, - 2), (3, 6), (4, 6), (7, - 7), (10, - 1) } A. Function B. Not a function

Solve for x: 3x - 5 = 2x 6