For a shape to be a square all the angles need to be 90 degrees.
Angle B = 3x+60 = 90
3x +60 = 90
Subtract 60 from each side:
3x = 30
Divide both sides by 3:
x = 30 /3
X = 10
The answer is D because using division you would find how many cups you need to sell.
-1\4
Step-by-step explanation:
find the gradient of the line
Answer:
x=9
Step-by-step explanation: