Answer:
a² + b²
Step-by-step explanation:
(a + b)² - 2ab ← expand parenthesis using FOIL
= a² + 2ab + b² - 2ab ← collect like terms
= a² + b²
Answer:
0.51 cm
Step-by-step explanation:
In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°
By the sine definition,

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

In the right triangle, two acute angles are always complementary, so

Thus,

Yes, this is a polynomial, but a special form of a polynomial with just one term which is called a monomial .
I think I might have my math wrong here but I think 5
Answer:
I=PRT 9.5% in decimal form is .095=11 times rate times tax but we don't know what the tax is.