Answer:
It is a equation
Step-by-step explanation:
Because it has an equal sign if it does not it will be a expression.
Answer:
2.5 or 2 1/2
Step-by-step explanation:
divide 15 by 3 and you'll get 5. multiply 1/2 by 5 and you get 2.5
Answer:
Width = 7. Length = 9.
Step-by-step explanation:
To get the the size of the width, it says that L = (W + 2), so we put in W+2 as a substitute for L. Now we have the equation the area or 63 = W x (W+2). I'm not so great with these problems so I typically just plug in a number for W till I get the area, and put w into the L = W + 2 equation to get L.
4(-3)-9 =-21. I hope this helpsss
Answer:
y=1/2x-3/2
Step-by-step explanation:
m1=-2
m1m2=-1
-2m2=-1
m2=1/2
-1=1/2(1)+b
b=-3/2
y=1/2x-3/2