I would love to help! What's the question?
Page from ready workbook, it’s about rational numbers
Answer:
29
Step-by-step explanation:
Well "value" of 3x^2 - 7x + 9 when x = 4 is just x plugged into the expression
3 * 4^2 - 7 * 4 + 9
3 * 16 - 28 + 9
= 29
The length around the circle is called the circumference, the length aross the circle is the diameter and half of that is called the radius.
