The side length of an equilateral triangle is 20 centimeters. Find the length of altitude of the triangle.

What is the value of x in the solution of this system 2x - y - z = 11?

What is an integer for the profit of $9

Lenicia is a waitress and just received $12.45 for a tip for a meal that cost $56.75. Is the percentage of her tip above or below the standard 15%?

Qual o valor de 3/15 de 600

Kate, Mario, Sato, and Den each use a different recipe to make trail mix. Which recipe uses a different ratio of cups of raisins to cereal than the rest? A Kate uses 3 cups of raisins for every 8 cups of cereal.

In a science experiment, the temperature of a substance is changed from 42 degrees Fahrenheit to - 54 at an average rate of-12 degrees Fahrenheit per hour. Over how many hours does the change take place

Ture or False The median better represents the data than the mean.

At the theater, Susan eats 1/4 of a box of popcorn. Her friend Alice eats two time as much popcorn as Susan eats. How much of the box of popcorn does Alice eat?

The odds of winning a game are given as 1:25. what is the probability that you will win this game? what is the probability that you will lose this game?

A large tank holds 1.9x10 to the power of 7 gallons of oil. how much oil can be stored in 7 tanks? Write in scientific notation