14)
2(-3)² => 2(-3)(-3) => 2*9 = > 18
27+18-11 => 27 + 7 = > 34.
16)
17)
<span>If you would like<span> to
know what is </span>12/39 in
simplest form, you can
calculate this using the following step:<span>
12/39<span> simplifies
to 4/13 (the common factor of 12 and 39 is 3, so you can divide both
numbers by 3).</span>
<span>The
result is 4/13.</span></span></span>
Answer:
The temperature from yesterday to today decreased by 12 degrees fahrenheit.
Step-by-step explanation:
Ummm... it's true :)
A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h