I know the diameter of a circle is 10in. how do i find the area use pie

The blue lake trail is 11 3/8 miles long. Genna has hiked 2 1/2 miles each for 3 hours. How far is she from the end of the trail?

What is 22 1/2 of 45 as a fraction

If a kid is 4 years old how old is the younger brother? and if the older brother is a 100 years old ow old is the younger brother?

Explain how you can tell that 3 x 1 1/4 is greater than 3 without finding the exact product.

What is the lcm of 5, 16,40?

Macy is making a border out of strips of wall boarder placed end to end along the 12-foot wall in her room. Each strip is foot long. How many strips of wall border will Macy need?

What is the square route of 20?

How long did it take Carson to travel 10 miles at 35 miles per hour? (round to the nearest whole number.)

Find the value of the given expression 1/2[4+6 (60 (-12)) ]

While rolling, a wheel with a diameter of 19/2 feet makes 133 revolutions. Find the distance that is traveled by the wheel. Use 22/7 for pi.