Kali left the science museum driving toward the ocean four hours before Rob. Rob drove in the opposite direction going 10 mph faster than Kali for one hour after which time they were 340 mi. apart. How fast did Kali drive?​

What expression is equivalent to (2x-1)(x-3)?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?