Y=400(.99)^x is this growth or decay

Pls super important solve the botton one

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =