Answer:
how does what work?
Step-by-step explanation:
8:6 is equivalent to 4:3 because if you divide the 8:3 by 2 then you would get 4:3 . And if you multiply the 8:6 by 2 then you would get 16:12
Answer:
25
Step-by-step explanation:
Put the numbers where the corresponding letters are, and do the arithmetic.
3² +3·8 +2 -2·5
= 9 +24 +2 -10
= 25
we know that
In the right triangle ABC
∠
∠
------> by complementary angles
so
Step 
Find the measure of angle B
we know that

in this problem

so

Step 
Find the measure of angle A

therefore
the answer is the option
35.5° and 54.5°