8 + 11 = 40
there is a pattern. 1+4=5, the answer from the previous equation 5+2+5=12, 12+3+6=21, 21+8+11=40.
8+11=40
Answer:
D. -2 ≤ y ≤ 3
Step-by-step explanation:
This is because range is based on y-values and so the lowest y-value here is -2 and the greatest one is 3, inclusive.
Answer:

Step-by-step explanation:
The formula for the area of rectangle is length times width:

Use FOIL method:

Let, the number be "a"
Now, according to the question,





So, the number is 72