First, you have to find the LCD. The LCD of 4 and 7 is 28, so you rewrite the fraction:
7/28
4/28
Then you add them.
Answer:
a
Step-by-step explanation:
because if you would subtract divede mutiplky then you would get a
Answer:
0
Step-by-step explanation:
The force of gravity is when the distance between two objects is d is:
F=(G*m1*m2)/d^2
Answer:
15
Step-by-step explanation: