A + 1 = 3000 a = ?

This is my first question, I know the answer. I just wanna test the platform.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

In the rectangle below ac=30 units what is de

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