Metodo de sustitucion e igualacion

3x+2y=12

4x-2y=2

Why is school so terrible?

Ivy filled a rectangular prism with 1-centimeters unitcubes. The greatest number of units cubes she could pack into the prism was 120. Which numbers could be the dimensions of the prism? A. 6 cm tall, 10 cm tall, and 2 cm wide B.

A large chess tournament starts with 1024 players. How many players will be remaining after 6 rounds

Find the circumference of circle if the area is 300 square centimeters

The price of a math book is 50$ but you only have 35$ if you get a discount of 20% how much money do you need?

Ed fills his water bottle with 1.2 liters of water. After his bike ride, he drinks 200 millimeters of the water. How much is left in Ed's water bottle.

A door wedge is 5 cm tall. Its has 3.7 cm high triangular bases with 2 congruent 5 cm sides and a 4 cm side. What is its surface area?

John asked the players on his hockey team their height in inches and listed the results below. What is the range of the data set? Round to the nearest tenth when necessary 76, 72, 70, 68, 72, 62

The cost of 4 cartons of fresh cream is $7.96. what is the cost of 14 such cartons? $15.99 $21.96 $24.56 $27.86

Allie and Samuel are rock climbing *Allie climbs 5 1/2 meters in the first 1/4 hour. *Samual climbs 14 1/4 meters in the first 3/4 hour. each person's rate stays the same for the first hour they climb.