Evaluate t - u/v when t = 3, u = -8 and v = - 1/2

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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

Which is f(5) for the function –2x2 + 2x - 3?