What is the discriminant of the quadratic equation 9x2 - X - 8=0?

If one card is randomly chosen from a standard deck, what is the probability that a face (jack, queen or king) card is chosen? A. 12/52 B. 10/52 C. 4/52 D. 3/52

1. A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once? 2. You want to buy the largest pizza in Northern Utah. You find a pizza that measures 75.36in around.

Kaitlyn made 4 dresses with 7 yards how many yards in one dress

A student studying for a vocabulary test knows the meanings of 14 words from a list of 22 words. If the test contains 10 words from the study list, what is the probability that at least 8 of the words on the test are words that the student knows?

You mailed 3 identical letters weighing more than 1 ounce each. Mailing each letter cost $.37 for the first ounce, plus $.23 for each additional ounce. Each letter required $1.29 postage. How much did each letter weigh, to the nearest ounce?

4/3 r+5/3=11/3. I don't understand the work

Convert 75 inches to feet?

Find the odds in favor of rolling the sum of 4 when rolling a pair of dice?

Is 13a prime number or a composite?

Is there a rectangle that you could cover with 6 color tiles? explain