Hi there!
Question 1: Answer: -
20 x 4 - 80 = 80 - 80 = 0
Question 2: Answer: +
100 x 100 + 1 = 10,000 + 1 = 10,001
Answer:
C' will be located at (-4,-2)
Step-by-step explanation:
Answer:
explanations: we multiply with a rational surd
(x-9)*√(x+9)/(√(x-9)*√(x+9)
=(x-9)√(x+9)/

B.( x-9)/√x+3 =( x-9)*(√x-3)/(√x+3)*(√x-3)
= (x-9)*(√x-3)/x-9
=√x-3