Answer:
Step-by-step explanation:
the unit is 4 min and the answer is he can type 55 words in 1 min
The answer is the last one
Answer: the awnser to this problem is 38.5 sq. units
Step-by-step explanation:
Three plus four times twelve
We are given area of the ribbon = 144 square inches.
We know formula for side of a square =
.
Plugging value of area in the formula, we get
Side of the square 
= 12 inches.
Sonya wants to sew ribbon along each side of a square pillow.
So, we need to find the perimeter of the square pillow.
<h3>Perimeter = 4 × side = 4 × 12 = 48 inches.</h3><h3>Therefore, she buy 48 inches of ribbon to have the exact amount that she needs.</h3>