Take the .5 of the 17.5 and convert it to a fractin.
we know .5 is equal to 50% or 1/2
now we have a mixed number

in order to convert it into an improper fraction you need to multiply the whole number by the denominator and then add the numerator all while keeping the denominator constant.

so
Answer:
use trig
Step-by-step explanation:
sin(15) = 100/x
x = 100/sin(15)
use calculator
Isolate the variable by dividing each side by factors that don't contain the variable I believe the correct answer is 1. c=ab-da
Answer:
200
Step-by-step explanation:
100+
100
-----
200