What is the interval notation for the compound inequality? x≤3 or x>7

[3,7)

(−∞, 3) or [7, ∞)

(−∞, 3] or (7, ∞)

(3,7]

What is the quotient of 42/3 divided by 4 1/5

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.