The area of a rectangle is found using this formula: a = l × w if the area is 54cm² and the width is 18cm, solve for l. l = 9cm l = 6cm l = 3cm l = 18cm

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Which number produces a rationale number when multiplied by 1/5