Answer:
Step-by-step explanation:
$ 6.18 is what each pen costs
I believe the slope is 3/4
9-3 = 6
4 - (-4) = 8
Simplify to get 3/4
Answer: 10
Step-by-step explanation:
16 x 5/8
reduce the numbers to 2 x 5
cross out 16 and 8 and you have 5 left, 16 divided by 8 = 2
2 x 5 = 10
hope this makes sense and helps you :)
Answer:
Step-by-step explanation:
The equation of a circle is: 
where ( h, k ) is the center and r is the radius. Therefore, the equation in this instance is .
Answer:
Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle when the length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or other distances in the triangle first.
