Na Multiply and simplify when possible. 1) (6x)(4x) 2) (-xy) (-xy) 3) 2x(2x - 7) 4) X(8 - x) 5) 5x(5x - 2)

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|