Aprincipal of 5350 is placed in an account that earns 3.5% interest. if the interest is compounded annually, how much money will be in the account at the end of 4 years

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

What is the number 321,000,000 in scientific notation? also what is the number? ?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.