Answer:
.....................
Step-by-step explanation:
13✓7
5✓28 + ✓63
Break the radical into perfect squares.
5 times ✓4 times ✓7 + ✓9 times ✓7
5 times 2 times ✓7 + 3 ✓7
10✓7 + 3✓7
KM=41.6
Cross Multiply and Solve for KM.
Question 7. -2 8. 3/2