What is the result when the number 12 is increased by 75%

My math homework tells me to find the area of a circle using it's circumference. the circumference given was 6π yd. (6 pi yard). can someone explain to me how to find the area?

Which expression is equivalent 121x^2-64y^2?

Select all sets in which the number - 5 is an element

What is the range of the relation, { (2, 8) (-3, - 1) (4, - 7) (5, 0) (-1, 2) }? create the range for the relation.

What is the answer to 8-2 (x+17)

Carmen sells electronics. She made a 10% commission on every dollar sale that she makes. One month Carmen got a commission check for $2,500. What were her sales in dollars that month?

A group of researchers is designing an experiment to test whether working late at night reduces a person's productivity.

What is the pattern? 2x/3, x/3, x/6, x/12, ...

What is Mia's error? 83 + n = 110 83 + 83 + n = 110 + 83 n=193

200 people to 240 people