Each figure in the sequence is composed entirely of 1×1 shaded squares. If the pattern is continued, find the sum of the inner and outer perimeter of the 100th figure. [Note: in the 2nd figure the sum of the inner and outer perimeter is: 8 + 16 = 24 units.] Captionless Image

When the ball has traveled a distance of

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

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