A scuba diver is at an elevation of −40 feet. The diver starts moving at a rate of −16 feet per minute. Write an inequality that represents how long it will take the diver to reach an elevation deeper than −310 feet.

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !