The answer for your question is 3)64
Answer:

Step-by-step explanation:
Given: Monica wants to measure the dimensions of her rectangular lawn.
If the longer side of the lawn is BC=(x + 3) feet.
If the diagonal length is AC=(x + 4) feet.
Let the shortest side of lawn is AB=y feet
The angle of rectangle is right angle.
Using diagonal, shortest and longer side to make a right angle triangle whose hypotenuse is length of diagonal.
Using Pythagoreous theorem,






We will ignore the negative value because side of rectangle can't be negative.


Answer:
12 
Step-by-step explanation:
The area of a triangle is
. Here, b = 8, h = 3. So 8*3/2 = 12. The units is
.
So the answer is 12
.
Answer: C, 3/4 And it's decimal form is 0.75
Step-by-step explanation: