Answer:
Final result is 3.
Step-by-step explanation:
Quotient = (60 + 30) / 10
= 90/10
= 9.
Difference of quotient and 3
= 9 - 3
= 6
6 / 2 = 3.
Answer: 4
Perpendicular lines have reciprocal slopes
1- 7cm × 7 cm - 49 cm squ.
13cm × 13 cm -169. cm square
19×19-361 cm square
56.38=