(
−
2
)
(
6
)
+
3
(
5
−
4
+
2
)
=
−
12
+
3
(
5
−
4
+
2
)
=
−
12
+
3
(
1
+
2
)
=
−
12
+
(
3
)
(
3
)
=
−
12
+
9
=
−
3
Answer:
3/5
Step-by-step explanation:
Cos(B) = adjacent/hypotenuse
Cos(B) = 48/80 = 6/10
Cos(B) = 3/5 or 0.6
The correct answer is: $20
Explanation:
3 pounds of hamburger is $6.
1 pound of hamburger is 
Now,
10 pounds of hamburger is 
Hence the correct answer is $20.
1 mile = 5,280 feet
5,280 + 900 = 6,180.
6,200 feet > 1 mile and 900 feet
Glad I could help, and good luck!