Factor this expression completely 9a 4 - b 2

How many multiples of 8 are there between 20 and 100?

What is 3 = 5x - 12?

A shoe repairman is working with his assistant, who takes twice as long to repair a pair of shoes. Together they can fix 16 pairs of shoes in an eight-hour day. How long does it take the repairman to fix one pair of shoes by himself?

Peanuts, a rock and roll producer, has scheduled an outdoor Woodstock 2 concert where revenue will be donated to Goodwill. The profit of Woodstock 2 depends on the weather on that day, namely if the weather it is warm, cool, or frigid.

If the correlation coefficient is. 87, is its relationship considered to be strong positive, weak positive, strong negative, weak negative or no correlation

8:2 in its simplest form

14+3 (12+2) - 5 to the second poer

According to - - / self interest and competition act as blank guarding firms in a market-based economy.

What is S10 for 1+3+9+27 ... ?

Which equation represents a circle with a center at (-3, - 5) and a radius of 6 units? A: (x - 3) 2 + (y - 5) 2 = 6 B: (x - 3) 2 + (y - 5) 2 = 36 C: (x + 3) 2 + (y + 5) 2 = 6 D: (x + 3) 2 + (y + 5) 2 = 36