Use elimination to solve

2x+3y=4

4x+6y=-5

A pet store has 7 cats. Here are their weights (in pounds). 12, 16, 8, 13, 10, 14, 16 Find the mean weight of these cats. If necessary, round your answer to the nearest tenth.

a group of hikers find a fallen tree in a forest. he dead tree trunk is covered by mushrooms and other fungus. the apples are all rotten and decayed by bacteria.

You ask to draw a triangle with side lengths of 6 inches and 8 inches. what is the longest whole number length that your third side can be?

David received $50 dollars working at his fathers store. He spent $20 dollers at the movies, and $10 dollers buyin comic books. After buying $5 worth of candy, he saved the rest.

Which graph represents the solution to the given system? y = - x + 2 and y = 3x - 1 A) 0.75, 1.25 B) - 0.75, 1.25 C) - 0.25, - 1.75 D) - 0.75, - 0.25

The radius of the circle is 12 cm. What is the circumference of the circle? (Use [pi = 3.14.)

Rebecca a library and check 114 book on day is she checked in the same number of book everyday how many book will she take in the 7-Day

What is 3 (x-1) - 4x+5 combined? Also can you explain how you did it

If you have 50 red bead 50 blue beads 50 green beads what I'd the probability that will be blue

13. On a camping trip, you decide to hang your backpack from a rope stretched between two trees, so bears can't steal your food while you sleep. The trees are 20 feet apart, and the rope is tied to each tree at a spot 12 feet above the ground.