Answer:
-a to the third power is 27
-b to the second power is 16.
Step-by-step explanation:
-1 times (-3) is 3. And 3 to the 3rd power is 27.
-1 times (-4) is 4. And 4 to the 2nd power is 16.
9/19 - 3/14
= 126/140 - 57/140
= 69/140
Answer:
169π or 530.93
Step-by-step explanation:
The formula for the area of a circle is πr²
Here, the radius is given to be 13.
So, let's just plug it into the formula as r
π x 13²
π x 169
169π
The radius is 169π. If you want to multiply out the π you would get 530.93, which is equivalent of course.
Answer:
10% increase
Step-by-step explanation:
To find the percent change, divide the difference between the 2 prices by the original price:
2/20
= 0.1
So, the percent change was 10%
The answer would be D. an interval isnt a certain number but it is a time something happens over and over again