16 lakh students in India use khan academy today. The number of users are expected to grow by 50% every year. How many students in India would be using Khan Academy two years from now ?

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Solve the triangle. a = 21°, c = 105°, c = 5