What would 0.078 be rounded to the nearest

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane