What is the propriety is used in 3 + [7 + (-4) ] = (3+7) + (-4)

Of the 320 students in 8th grade 2/5, have a pet. How many students in 8th grade have a pet?

The average distance from Mars to the sun is about one hundred forty-one million, six hundred twenty thousand miles. How do you write the number that shows this distance in standard form?

Pattie is thinking of two numbers. She says the one of the numbers is more than the other number and the sum of the numbers is 56. What are the numbers?

The area of a rectangle is (x4 + 4x3 + 3x2 - 4x - 4), and the length of the rectangle is (x3 + 5x2 + 8x + 4). If area = length * width, what is the width of the rectangle?

9=1.5z how do you solve it I need to know

Lara has three cats: Socks, Princess, and Luna. The ratio of Sock's weight to Princess's weight is 4:5. The ratio of Princess's weight to Luna's weight is 6:7. What is the ratio of Sock's weight to Luna's weight?

Write the equation in standard form 4x-3=5y

If John starts work at 8.845am and finishes at 5.15pm. He has 90 minutes of break. How many hours does he work in 5 days?

What is 5a=100 i need a answer?

What does 16/6 equal to as a whole number