Answer:
23
Step-by-step explanation:
7^2=a^2+4^2
49-16=a^2
√23=a
Answer:



Step-by-step explanation:
3) Area of a circle is

Where r = 6
Thus,




4) False
Area of a circle is measured by the formula below:

5) The formula for calculating the area of a rectangle is given thus:

Where, l = 10ft; w = 7ft

Answer:
$40
Step-by-step explanation:
If it was 20% off, you are paying 80% of the original price.
So .80 * Original price = $32
32/.8 = 40
I got you. The answer would be A (Certificate)
Answer:
The other number is 3333.
Step-by-step explanation:
This is really easy, just subtract 1,938 from 5,271. (5271 - 1938 = 3333)