It was 12° c when preston got home from school the weather report shows a storm front moving in that i will drop the temperature by 17° c is the expected temperature

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

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.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5