Answer:
The expression
can be used to find Ayliah's age.
Step-by-step explanation:
Given statement is:
Ayliah is 7 years more than 1/2 of Deb's age.
Let,
x represent Deb's age.
The expression for Ayliah's age would be;
7 more means addition.
Ayliah's age = 
Hence,
The expression
can be used to find Ayliah's age.
Answer:

Step-by-step explanation:
Unit circle
551 Blocks, 26 Layers. 551 divide by 26= 31 blocks per layer
The answer equals 14
2*7
(r=square root of 49)