Find the perimeter of diameter 3.5 cm

Why does 1/3 =.3333 repeating 2/3 =.666666 repeating and 3/3=.9999 repeating but we call it 1

To make 112112 dozen muffins, a recipe uses 312312 cups of flour. How many cups of flour are needed for every dozen muffins made?

Ali went to the store to buy vegetables. He bought 16 ounces of potatoes, 1.5 of onions, 4 ounces of celery, 1 pound of tomatoes, and 4 ounces of garlic. Part a. What was the total weight of the vegetables in pounds? Part b.

What is the solution 7tan^3x-21tanx=0

How are area and perimeter related

Farmer Joe has a rectangular pasture that is fenced in for his cattle. He bought some horses and wants to cut the pasture in half diagonally from corner to corner.

Y=sinx^cosx cosx^sinx dy/dx=?

One car traveling at 30 mph and another car traveling at 40 mph left from the same place at the same time and traveled in opposite directions.

Simplify the fraction.

C = 145º, b = 7, c = 33