If the length of the entire screwdriver is 19cm, and the handle is 5cm, subtract the length of the handle from the total length to find the length of the top of the screwdriver.
19 - 5 = 14
The top of the screwdriver is 14cm long.
<span>rotated 90° about the origin
(x,y) = (-y, x)
so </span><span>(5, -2) is rotated 90° about the origin = (2, 5)
answer
</span><span>b.(2, 5)</span>
Answer=72%
25-7=18purple clips
18 x
____=____
25 100
cross multiply
25x=1800
divide both sides by 25
x=72%
He used an incorrect time ratio converting hours to minutes.