Answer:
it would look like this
Step-by-step explanation:
Answer:
Last option?
Step-by-step explanation:
ax+by=c
4x+6y=60
a=4
b=6
c=60

Substitute x = 5 in the equation.

Therefore, the answer is -15 or last choice when x = 5.
Answer:
y= root 2 kilometers
Step-by-step explanation:

X is:
tan50 = 28 / x
1.19 = 28 / x
1.19 / 28 = x
x = 0.04
But Im not sure
About the area of triangle
You can use the both formula