Find the domain of f (x) = 7/x2-9

Find the next four terms in the arithmetic sequence. a - 6, a - 2, a + 2, ...

Elmer has a collection of 300300 fossils. Of these, 21/%21% are fossilized snail shells. How many fossilized snail shells does Elmer have?

Given the following information, determine if one of the brands is a better buy. Brand A: 14 ounces for $44.66 Brand B: 20 ounces for $63.80 a. Both brands cost the same per ounce. b. Brand A is the better buy. c. Brand B is the better buy. d.

If Joseph runs 1/5 mile in 1/30 of an hour, what is his speed in miles per hour?

Is 105 a perfect square?

Find the quotient of ' (16t^2-4) / (8t+4) '

The Science Club has 35 members, 10 girls and 25 boys. What is the ratio of girls to boys in the Science Club? A. 2:1 B. 2:5 C. 5:2

The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter?

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340