Answer:
The correct option is B.
Step-by-step explanation:
The given expression is
Simiplify the above expression by using BODMAS rule.
(Simplify Brackets)
(Multiplication)
Therefore option B is correct.
C. you first need to move the 13 over. so it would be 12 + 13
Answer:
A
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = , then
cos45° = = = ( cross- multiply )
s × = 4 ( divide both sides by )
s = 4 → A
Answer:
Since line l is parallel to line M, we know that angle 1 is congruent to angle 3. In that case, since we know that angle 3 in congruent to angle 7, we line a also has to be parallel to line b.
Step-by-step explanation: