How do you know that each of these constructions is valid when made with a compass and straightedge?

You have to answer 2 questions for the exam. There are 7 essays to choose from. How many different groups of 2 essays could you possibly choose?

Pauline works out with a 2.5 kilogram mass. what is the mass of the 2.5 kilogram mass in grams?

A boy is X years old. His sister is twice as old he is. The sum of their age is 27, How old is the boy?

What is 4a to the zero power times 7a to the negative 4 the power?

What is 2/3, 0.67, 5/9, 0.58, 7/12 in order from least to greatest

Whats 6 percent 3,950

What's 107 divided by 97,156

Write 10xy/15y2 in simplest form

Knowing that this number, the Golden Ratio, is present not just in mathematics, but may also be present within your own brain and body (at the atomic or subatomic level), what do you think it means?

How can you find f (3) if f (x) = - 2x^2 - 4? A) Square 3. Subtract 4 from the result, and then multiply by - 2 B) Square 3.