Answer:
3
Step-by-step explanation:
2 -3 = -1 + 4 = 3
Answer:
36
Step-by-step explanation:
Square roots have a neat property:
provided <em>a</em> and <em>b</em> are positive real numbers.
This property is what's behind simplifying square roots. You look for perfect square factors (4, 9, 16, 25, 36, ...) inside the square root sign.
Example:
.
In this problem, both factors are perfect squares.

Answer:
37.931%
Step-by-step explanation:
11 / (11+18)
Answer:
Step-by-step explanation:
Painting USA
25*25=625 + 75= 700
Upscale Home Painting
40 * 25 = 1,000
It would be better to go with Painting USA because it is cheaper, while Upscale Home Painting is more expensive.