If the maglev train travels at a constant speed of 480 kilometer per hour for 1/4 hour how far does the train travel

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Use sigma notation to represent the following series for 9 terms.

Math question.. plz me .. best answer all