The area a equals pi R squared of a circular water ripple changes with the radius. At what rate does the area change with respect to the radius when r equals 4

Alogical argument that is presented in graphical form using boxes and arrows is called?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?