Thea has a key on her calculator marked X. If an integer is displayed, pressing theX key chops off the first digit and moves it to the end. For example, if $6138$ is on the screen, then pressing the X key changes the display to $1386$. Thea enters a positive integer into her calculator, then squares it, then presses the X key, then squares the result, then presses the key again. After all these steps, the calculator displays $243$. What number did Thea originally enter?

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol