Answer:
y = 27/7
Step-by-step explanation:
Perform the indicated multiplication:
3(4y-7)=15y+6 becomes:
12y - 21 = 5y + 6
Combining like terms, we get:
7y = 27, so that y = 27/7
Answer = 16 square blocks.
There are 16 square blocks in the shape.
I hope this helps.
Answer:
Area = 
Step-by-step explanation:
A=a+b
2h=13+13
2·12=156cm²
I hope this helps you :)