B) What is the value of 11 a?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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?

What is the value of x when x + 7 = 21?