Answer:
13
Step-by-step explanation:
6-(-7)=13
Answer:

Step-by-step explanation:
From the question we are told that
Height 
Weight 
Depth 
Generally the equation for ellipses is given as

Where


Generally to find y in the equation 



Therefore







Therefore the width of the given stream is



Answer:
B
Step-by-step explanation:
Subtract 20 from both sides:

Divide both sides by -1:

Square both sides:

Subtract 9 by both sides:

Divide both sides by -8:

That means that either a or b is correct and since 9/8 is positive that means it needs to bee less than 9/8 so the correct answer is B
Answer:
True
Step-by-step explanation:
The answer is a)18 because 47-29=18 which is what’s left of the line