Solve for a. q+a= b

Solve for x
ax + b = c

solve for r.
(r + y)/q = m

Ineed with this. the figure is made up of a square and a rectangle. find the area of the shaded region.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?