When walking home from school during the summer months, harold buys either an ice-cream or a drink from the corner shop. if harold bought an ice-cream the previous day, there is a 30% chance that he will buy a drink the next day. if he bought a drink the previous day, there is a 40% chance that he will buy an ice cream the next day. on monday, harold bought an ice-cream. determine the probability that he buys an ice-cream on wednesday.

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

In the diagram of circle a what is m