Prove that pi is irrational

Find the area of each of the giant round to the nearest 10th if necessary 5 yards 12 yards 20 yards

Quadrilateral is a rectangle with vertices D (-8, 2), E (2, 7), F (5, 1), and G (-5, - 4). Find the area of the rectangle.

The length of a rectangle is twice the width. the perimeter is 36feet. find the length time width

A new machine can make 10,000 aluminum cans three times faster than an older machine. with both machines working, 10,000 cans can be made in 9 hours. how long would it take the new machine, working alone, to make the 10,000 cans?

What types of lines make an angle?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.