6 + 10x < -44 or -x-9<-19
Pls help I need shown work

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

How do you use the elimination method for this question? explain, because i really want to understand!

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