What brand is better ? brand a: $2.50 brand b: 35 for $3.25 brand c: 50 for $5.25 brand d: 100 for $10.00

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?