Before the rain began, the water in a lake was 268 inches deep. the rain began and after four hours of rain, the lake was 274 inches deep. the rain continued for one more hour at the same intensity. what was the depth of the lake when the rain stopped?

Can somebody me out with this question

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 equation. 2x - 8(x+1)= 6(2x - 3)