Simply distribute the -3 across the b and -7.
-3(b - 7) = (-3 * b) + (-3 * -7) = -3b + 21
Hope this was helpful, if it wasn't just drop me a DM explaining what didn't make sense.
Answer:
143 yds^2
Step-by-step explanation:
No, to be a square each side has to be equal. but all squares are rectangles.
Answer:
y <
x
Step-by-step explanation:
Since the line is dotted and shaded down that mean the sign is <.
The slope is rise over run or 3/4.
Since the line intercepts the y-intercept at (0,0) that means that the y-int is 0
So the full equation is y < 3/4 x