In 8 years, Sophia's age will be 21 years old. Let x represent Sophia's current age today.
a. Write an equation that can be used to find Sophia's age today (X). [1 point)
b. Solve for x to find Sophia's age. [1 point)

She is 13 years old

Step-by-step explanation:

x + 8 = 21

x = 13

spinning a 1, 2, or 3. option d.

step-by-step explanation: when spinning a number graph up to 4, and aiming for any number less than 3, that automatically eliminates the number 4. now you have two numbers to spin on that are less than 3, but the number 3 is included in this question because it's no greater of an number than itself. i hope this you : )

17

step-by-step explanation:

51/3=17

thus 17 is your answer.