Given F(x)=ab^x +c. How would increasing the value of A change the graph

Y=4x^2+x-1 solve using quadratic formula

An angle that measures between 90 and 180° is called a(,

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?