Which shows two products that both result in positive values?
a. (0.5)(–0.4) and (1.2)(–0.8)
b. (–0.5)(–0.4) and (1.2)(–0.8)
c. (0.5)(0.4) and (–1.2)(–0.8)
d. (0.5)(–0.4) and (1.2)(0.8)

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?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

[15 points, algebra 2]simplify the complex fraction and find the restrictions.