If a $1000 computer is marked off 35%, what is the sale price?

$650

Step-by-step explanation:

It is given that $1000 computer is marked off 35%.

We need to find the sale price.

Original price of the computer = $1000

Marked off = 35%

Sale price = Original price - 35% of Original price

Therefore, the selling price of the computer is $650.

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.