Answer:
The length of the legs is 8.64cm and 14.64cm respectively
Step-by-step explanation:
I've added an attachment to aid my explanation.
At different intervals, I'll be making reference to it.
Given



From the attachment, we have:

Since, M is the Midpoint

Substitute 17 for AB


Also, from the attachment


Substitute 8.5 for y


--------- (1)
Also, from the attachment

Substitute 8.5 for z


----------- (2)
Subtract (2) from (1)


Make x the subject

Apply Pythagoras Theorem:
We have that:

The above can be replaced with
(see attachment)

Substitute 6 + w for x




Reorder

Solve using quadratic equation:

Where







Split:
or 
or 
or 
But length can't be negative
So:

Recall that: 


<em>Hence, the length of the legs is 8.64cm and 14.64cm respectively</em>
Answer:
where is the angle
Step-by-step explanation:
Sam had the better score
To compare their scores we require to convert them into percentages
Express as a fraction and multiply by 100%
× 100% = 86.7% ( to 1 dec. place )
× 100% = 83.3% ( to 1 dec. place )
Answer:
To multiply Mixed Fractions:
convert to Improper Fractions.
Multiply the Fractions.
convert the result back to Mixed Fractions.
Step-by-step explanation:
B. Its suggesting something bigger than -5