How many dimensions does a plane have?
O
A. Three
о
B. Zero
O C. Two
D. One

What is a graph with a never ending line called?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

What numbers are included in the set of integers? what numbers are not included?