Answer:
-4
Step-by-step explanation:
you add to the left of a positive to negative
A is the answer because to actually get the answer you would have to find out how much 2 hot dogs cost which is $2.50 and so it says how much money did he spend altogether - so you would have multiply 16 and $2.50 to get your answer and thats why A is the answer
Answer:
sin 105 = sin (45 + 60) = sin 45 cos 60 + cos 45 sin 60, or
= (1 / √2)(1 / 2) + (1 / √2)(√3 / 2)
1 + √3
= -------------
2√2
Step-by-step explanation:
