Hello,
y+9=(x-10)*(-2)
==>y=-2x+11
Answer D if you put an "+" betheen y and 9 !!!!!!
She would have 20 dollars left over. take the amount of money she has then add up all of the cost of the stuff she will buy then subtract.
To find the area of this rectangle you multiply the length by the width, like so (x+2) x (2x+5) .
To find the perimeter of this rectangle you add all the sides using this equation,
(x+2)+(x+2)+(2x+5)+(2x+5) .
Answer:
when you subtract a negative number the two negative signs cancel out and it turns to a positive number
Step-by-step explanation:
in -6 - (-2)
the two - signs cancel out so it ends up being
-6+2 which is why it equals -4
