What is the area of rectangle ABCD?

coordinate plane with rectangle ABCD at A 0 comma negative 1, B 0 comma 4, C 4 comma 4, and D 4 comma negative 1

16 square units
18 square units
20 square units
25 square units

Measures of the angle of r, 31 s (x+4) t (3x+9)

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c