Answer:
a
Step-by-step explanation:
aa
Answer:
The length side of the original square banner was 9 ft
Step-by-step explanation:
Let
x-----> the length side of the original square banner
we know that
The new area of the banner is equal to

Solve for x

Solve the quadratic equation by graphing
The solution is x=9 ft
see the attached figure
a. Use the inclusion/exclusion principle.

b. By definition of conditional probability,

is this like a page?Step-by-step explanation:
Answer:
Step-by-step explanation:
7a-10c-2a-0.5c+5
5a-10.5c+5
it is your first choice