Different types of parallelograms have distinguishing traits. compare and contrast the rectangle, rhombus, and square based upon the characteristics of their sides. which one(s) have both pairs of opposite sides that are parallel? which one(s) have both pairs of opposite sides that are congruent? which one(s) have all four sides that are congruent?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d

Solve the system of equations. 2x-2y=-4 and x+y=8. show work