Which expressions is equivalent to 17s - 10 + 3 (2s+1)?

23s-9
23s-7
11s-7
11s-9

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

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

What is the lcm of 16 and 40 ? 24 and 40 ?