Which of the following expressions represents a function? (5 points) x = 1 {(3, 2), (3, −2), (4, 5), (4, −5)} y = 4x − 1 4x2 + y2 = 16

Which statement describes surface features called maria on the moon

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Standard deviation of 19,29,21,22,23