Answer:

Option (C) is correct .
Step-by-step explanation:
As the expression given in the question as follows.

Now rationalize the expression.

Using the formula
a² - b² = (a - b) (a + b)
Using in the above


As i² = -1



Option (C) is correct .
Answer:
$100 if you do 1 digit per house it would be $100
Step-by-step explanation:
Volume of 1 cube = s^3
s= side
so, vol = (1/4)^3 = 1 / 64
Now, there are 4 cubes:
So, volume of 4 cubes = (1 / 64 ) x 4 = 1 /16
Unit will obviously be foot^3
Answer:
44.4
Step-by-step explanation:
Sin=opposite/hypotenuse
Sin40=x/69
x=69sin40
x=44.4 rounded from 44.352
jndendudendndjdjndjenjdejdnjnjendjendndndjejdnednedje.Step-by-step explanation: