What is the value of a in the equation 8^-55/8^a =8^-43?

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if