Answer:
the answer is y=8x+42
Step-by-step explanation:
y-y=m(x-x¹)
y-2=8(x-(-5))
y-2=8x+40
+2 +2
y=8x+42
The brackets are first, then the multiplication
Answer:
379.72 meters
Step-by-step explanation:
At first, the balloon was 300 m away at 25°, so its height can be determined as:

After 5 minutes, the balloon was at 60°, so its height can be determined as:

To find the distance traveled by the balloon during that period, simply subtract the second height by the first one:

The balloon traveled 379.72 meters in that time.
Answer: C
Exp:
∠DXC = 90°
∠CXB = 90°
supplementary = 180°
90+90= 180