K+3<=4
K<=1
This is the anwser.
Answer:
2. 4x = 7x - 21
Step-by-step explanation:
8
10 + 8 = 18
18 x 2 = 36
9sqrt2.
sqrt8 + 3sqrt2 + sqrt32
= sqrt4 * sqrt2 + 3 sqrt2 + sqrt16 * sqrt2
= 2sqrt2 + 3sqrt2 + 4 sqrt2
= 9 sqrt2.