Answer:
10 inches squared
Step-by-step explanation:
Area is length times width
A= lw
A= 15/2 x 4/3
A = 60/6
A= 10 in^2
Answer:

Step-by-step explanation:
The distributive law states that

The expression 3+21a+15b consists of three terms:
- 3=3·1;
- 21a=3·7a;
- 15b=3·5b.
You can see that 3 is the common factor of these three terms, thus

Answer:
(4,-1)
Step-by-step explanation:
gradient is 2
Step-by-step explanation:
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The left side can be written as a square. We can take the square root, then subtract 1.
... (x +1)² = 17
... x +1 = ±√17
... x = -1 ±√17