Answer:
Do you want me to graph it
Step-by-step explanation:
9q - 15 = -78
9q = -78 + 15
9q = -63
q = (-63):9
q = -7
To find the perimeter of a square, just add up all the lengths of the sides: The area of a square: To find the area of a square, multiply the lengths of two sides together... Another way to say this is to say "square the length of a side!" and for the rectangle, The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle.
Notice, is really the same. All we do is, "insert one function into the other".
so, a way to do it is, get the value of the first one, then insert that output into the second.
