4) How many strings of length 10 over the alphabet {A, B, C} have at exactly 4 occurrences of A or 4 occurrences of B or 4 occurrences of C

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2