Answer:
for a) the following answers are in order from left to right.
5, 2, 2, and 10
for b) this is the square root of three: 1.73205080757 [u can round it to the first decimal place urself! :)]
Step-by-step explanation:
b) 4 = x^2 + 1
4 - 1 = x^2 - 1
3 = x^2
so the sqaure root for 3 is 1.73205080757
Answer:
I think 13 is C
Step-by-step explanation:
71+52= 123
180-123= 57
For this case we have the following function:

By definition, we have that the domain of a function is given by all the values for which the function is defined. The given function is not defined when the denominator is zero.
So:

Thus, the function is not defined at 
The domain is given by all real numbers except 2.
Answer:
The domain is given by all real numbers except 2.
Answer:
249 cm^2
Step-by-step explanation:
This problem becomes easier if we subdivide the figure, find the areas of the resulting figures and then sum them up.
Draw a vertical line straight down from the edge marked "4 cm" towards the edge marked "18 cm." The resulting rectangle on the left is 15.5 cm long and (18 - 7.5) cm wide, or 15.5 by 10.5 cm. Its area is 162.75 cm^2.
Next, find the area of the rectangle on the right of the line we drew. Its width is 7.5 cm and its height (15.5 - 4) cm, resulting in an area of 86.25 cm^2.
Last, add together these two subareas: combine 86.25 cm^2 and 162.75 cm^2. The total area of the composite figure is then 249 cm^2 (answer).