Solve each equation

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4r-8r=0

-15=-8r-7r

3b+7-1=-3

3x+1-6x=7

What is 844*96+156*96

When a bottle is 1/2 filled with water, it weighs 2.6kg. The bottle weighs 4kg when it is full. Find the weight of the empty bottle.

mark wrote the highest score he made on his new video game as the product of 70 times 6000. use the associative and commutative properties to show how mark can calculate this product mentally

Write a scenario in order of likelihood from least to greatest after 3 years the business makes money, the light bulb still works and the car needs major repairs.

The difference between negative six times a number and seven more than the number

Solve the equation for the unknown variable b³ = 5,832

Describe the process for calculating the volume of a cylinder.

You borrow $500 from a local bank to purchase your first car. the Loan has a rate of 12% simple interest. if you do not make any payments that year, how much interest will you owe at the end of the year

What is the cost of 100g of rice at 95p per half kg

A rectangular box has a length of 8 feet and a width of 2 feet. The length of the three-dimensional diagonal is 10 feet. What is the height of the box?