3x+5y=-20
5y=-20divide
the answer is x=-4
3x=-20 divide
the answer is y=-20
Answer:
two
Step-by-step explanation:
The exact value of sec(60°) sec ( 60 ° ) is 2 .
It isn't because since 9 is the product of 3×3, you multiply the 6 by 3 as well, which makes 18.