#21 the answer is does √ 9^2 + 2^2
a^2 + b^2 = c^2
9^2 + 2^2 = c^2
√ 9^2 + 2^2 = √ c^2
The value is 0.02
If it is a negative number, you move the decimal over to the left. :)
x^2 - y^2 - 2y - 1
x^2 - (y+1)^2
Answer:
Step-by-step explanation:
16x4-2400x3+75x2+300/ 100
