What is the sum of the interior angle of a 35 gon

What is the inverse of an identity matrix?

Give an example of fractions that you would compare by finding common denominators and an example of fractions you would compare by finding common numerators.

Definition - Monomial

Curtis wants to build a model of a 180-meter tall building. He will be using a scale of 1.5 centimeters = 3.5 meters. How tall will the model be? Round your answer to the nearest tenth.

Opal West has made a claim for an injury of a visiting ten-year-old who broke a toe in the family swimming pool. She carries a home insurance plan with a $500 deductible for physical damages and an $800 deductible for accidental injury.

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.