Complete the recursive formula of the arithmetic sequence 1, 15, 29, 43,
a(1)=
a(n)=a(n−1)+

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?