If it was reduced by 49 to 140 than obviously the original price was 189$
The diagonal of any square always occurs in a ratio of

relative to the square's sides. That means if

is the side length, then

gives the length of the diagonal. It follows that

.
Then the area of the square is

square inches
<span>27 hundredths + 7 hundredths
= 34 hundredths
= 0.034</span>
Answer:
Option D) 254.3 cm2
Step-by-step explanation:
we know that
The area of a circle is equal to

we have

substitute

Answer:
Step-by-step explanation:
1.
Shirts cost $20 each and ties cost $12 each.
<u>Expression for the cost:</u>
Correct choice is B
2.
<u>An expression that represents 40% of a number is:</u>
Correct choice is B. False
3.
t = -2, x = 3 and z = 5
- 4z + 3x − t =
- 4*5 + 3*3 - (-2) =
- 20 + 9 + 2 =
- 31
Correct choice is C. 31