1.
√(16+20)=√36=6
C
2.
√(21-9)=√(12)=(√4)(√3)=2√3
B
3. 2*√3=2*1.73205=3.464
B
1.C
2.B
3.B
Answer:
66
-30
___
36
Step-by-step explanation:
The answer is 36 do 66 minus 36.
5x-1= 26
5x-1+1= 26+1
5x= 27
Divide by 5 for 5x and 27
5x/5= 27/5
x= 27/5
Answer is x= 27/5 - A)
Answer:

Step-by-step explanation:

→ Expand brackets

→ Add 8 to both sides to collect the whole numbers

→ Add -4m to both sides to collect the m terms

→ Divide both sides by -10 to isolate m
