Both of the fractions can be added since they both have 8 as the denominator 3/8+5/8=8/8 which is a whole.
Answer:

Step-by-step explanation:
Use the cosine ratio,
. Insert the values:

Isolate x. Multiply both sides by x:

Divide both sides by cos 25:

Insert into a calculator:

Round to the nearest hundredth:

Done.
Im not that good with these types of problems but i think it is b if my math is correct.
Answer:
75%
Step-by-step explanation:
900 /1200= .75=75%