Alex said, "when the diameter of a circle is doubled, the circumference is doubled." show that Alex is correct.​

What is the inverse of the function f(x)=4x+8

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis