The temperature was -5C at 6:00 am It increased 3/4 of a degree every hour for 6 hours The temperature then increased 1 1/2 degrees ever hour for 5 hours What was the
temperature at 5:00 pm

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Can someone me with these two circle theorem questions asap?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.