The length of a rectangular envelope is 3 1/2 times its width. A plastic band surrounds the front and back of the envelope to secure it as shown in the picture. The plastic band is 40 3/8 inches long, find the length and width of the envelope.

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

answer: (-6,3)

step-by-step explanation:

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96