(7x-3) ( 11y+5) what’s the value of x

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?