Answer:
A
Step-by-step explanation:
sqrt[(2 - 0)² + (sqrt(21) - 0)²]
sqrt(4 + 21)
sqrt(25)
5
Answer:
10
Step-by-step explanation:
-10.3 + y = 5.2
First, regroup the terms. / Your problem should look like:
Second, add 10.3 to both sides. / Your problem should look like:
Third, add 5.2 + 10.3 to get 15.5 / Your problem should look like:

Answer:
y = 15.5 (D)
Answer:
20
Step-by-step explanation:
there are 10 2s
2×10 =20
Answer:
Angle 2 is 40 degrees and angle 11 is 50 degrees
Step-by-step explanation: