Biologists tagged 196 fish in a lake on January 1. On February 1, they returned and collected a random sample of 42 fish, 14 of which had been previously tagged. On the basis of this experiment, approximately how many fish does the lake have?

What's the common denominator for 3/8 and 3/10?

Solving linear systems of substitution

Select the equations of the lines that are parallel to the line whose equation is y = 3x + 5. 6x + 2y = 12 -3x + y = 8 3y = 9x y = - x

When a company rents trucks for $21 per day. last weekend, 118 trucks were rented form the company for 2 days each.

The output is 5 less than the input

A bag of marbles contains 4 green marbles, 3 blue marbles, 2 red marbles, and 5 yellow marbles. How many possible outcomes are there when choosing a marble from the bag

Last month, Korey's Comics had a gross profit of $2,385 with a monthly revenue of $3,465. Korey expects similar sales this month, but he would like to build up his in-store browsing selection, and purchases an additional assortment of comic books

There was a plate of cookies on the table. Amanda was hungry because she hadn't had breakfast, so she ate half the cookies. Then Beth came along and noticed the cookies. She thought they looked good, so she ate a third of what was left on the plate.

If sales tax is 5%, what is the sales tax on an item costing $65?

You pick a card at random. 2 3 4 5 What is P (5) ? 1% 25% 41% 11%