It’s C! that’s the answer, hope it helps
Given:
4x + 7 = 23
Let's solve for x.
First Step:
Subtract 7 from both sides
4x + 7 - 7 = 23 - 7
4x = 16
Next Step:
DIvide both sides by 4

ANSWER:
x = 4
Answer:
There would be 45 stars in a stage 15 patteren
Answer:
It falls between √7 and √8
Step-by-step explanation:
Please kindly check the attached file for explanation.