Answer:
-7 and 21
Step-by-step explanation:
y-2y=7 (sub x=7 to the equation)
-y=7
y=-7 (not sure of its correct)
if y=-7,
x-2(-7)=7 (sub y=-7 into equation)
x-14=7
X=7+14
X=21
Answer:
461 seconds
Step-by-step explanation:
1 minute = 60 seconds
first song length = 197
second song length = 264
Total length of two songs = 461 seconds
Therefore , your answer is 461
Answer:

Step-by-step explanation:

Adjacent = 6
Hypotenuse = 10

therefore:

All you need to do is add up all the sides to find the perimeter.
300*2=600+450+650=1700m
Final answer: 1700m
Ps.- You should write in pencil incase you need to re-write answers