Answer:
i think its c
Step-by-step explanation:
Answer:

Step-by-step explanation:
GIVEN: In the
school year in country A, there were
foreign students from country B. This number is
more than the number of students from country C.
TO FIND: How many foreign students were from country C.
SOLUTION:
Total foreign students from country B 
let the foreign students from country C be 
As the students from country B is
more than the country C
Students from country B



Hence the number of students from country C are 
Answer:

Step-by-step explanation:
We want to solve
given that
is acute.
We take tangent inverse of both sides to get:

Now set your calculator to degree mode and evaluate
to obtain:

To one decimal place, we have;

Answer:
b
Step-by-step explanation:
(a - b)² = a² - 2ab + b²
(2x - 6)² = (2x)² - 2*2x *6 + 6²
= 4x² - 24x + 36
if you want to solve it without a graph you're going to need to use the cubic formula, I'm unsure how else to solve it