One light year is 5.88*10^12 miles. star 2030 is 5.885*10^13 miles from planet x. how many light year is it from planet x to star 2030

Acircle has a circumference of 28.36 units what is the diameter of the circle

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?