Answer:
44%
Step-by-step explanation:
185/420 = 0.4405
0.4405 * 100 = 44.05%
Answer:

Step-by-step explanation:
By the tangent ratio,
. Substituting the given values into this equation gives us:
° 
°
(Multiply both sides of the equation by
)
(Divide both sides of the equation by
)

Hope this helps!
Answer:
6
Step-by-step explanation:
1. re-write the given system:
cx+3y=c-3; => y= -cx/3 +(c-3)/3
12x+cy=c; => y= -12x/c+c/12
2. according the condition the rule for the parallel graphs is:
-c/3= -12/c
3. to calculate the unknown 'c':
c²=36; ⇔c=±6
Answer:

Step-by-step explanation:

Recall that the change of base formula is 
Answer:
1/2, or 50%
Step-by-step explanation:
out of the six possibilities, there are 3 odd numbers: 1, 3, 5
3 out of 6 is 1/2, therefore the probability is 1/2, or 50%