A quadrilateral has four congruent angles. Is the quadrilateral a parallelogram? Explain your reasoning.

An observer sitting in an anchored boat in a bay is watching waves go by. She notices that there is a distance of 10 meters between wave crests, and that a new wave crest passes her boat every 5 seconds. What is the wave speed?

To protect his poultry from meteorites, the gentleman farmer made hard hats for each bird and installed a meteor detection system that opened umbrellas throughout the yard if a meteor were detected.

Helgas cereal has 12g of fat how many mg is that

What is the measure of each interior angle of a regular octagon? A. 45° B. 60° C. 120° D. 135

How can you multiply 5 digit by 2 digit

What are the first 12 multiples of 4

What is the square root of 5 plus the square root of 2 times 4 times the square root of 5 plus the square root of 2

What's. 0825 as a percent and fraction

Which description would best explain what was happening during Kayla's bath during interval C on the graph?

Gilda wrote cletus a check for 184.27, and cletus deposited the check into his checking account where was cletus ' signature