Answer:
C
Step-by-step explanation:
idk it just sounds like a conditional probability to me.
Answer:
4(-7)
4*-7=-28
Whenever multiplying +positive sign and -negative sign= -negative sign
Answer:
y = 
Step-by-step explanation:
Given
ya + yv = t ← factor out y from each term on the left side
y(a + v) = t ( divide both sides by a + v )
y = 
No because 5^2 +10^2 is not equavalent to 13^2
by using the pythagoras' theorem
Answer:
Question 12 - 
Question 13 - 
Step-by-step explanation: