The altitude at sea level is 0 feet. A diver at 90 feet below sea level swims to 20 feet below sea level. Which statement describes the diver’s change in altitude? A. The diver swam upward 110 feet. B. The diver swam upward 70 feet. C. The diver swam downward 110 feet. D. The diver swam downward 70 feet. Show how you got your answer.

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Can someone me i’m confused. will give brainliest and a whole bunch of points

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)