Alfred wegener proposed the theory of continental drift after he saw the coasts of what?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

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

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9