X + 3 =12

What Number Is X

Which equation represents the partial sum of the geometric series?

What is the y intercept of f(x)=(1/2)^x?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box