Answer:
4 inches by 2.5 inches
Step-by-step explanation:
Answer:
where is the graph?
Step-by-step explanation:
I can't see the graph so I can't answer!
Answer:
18-19= -1
Step-by-step explanation:
18-19=-1
Sweetheart, you cant subtract a smaller number from an bigger number or it will be a negitive number so the answer is -1
Answer: 
Step-by-step explanation:
Sine uses the ratio,
so we can plug in the information we know. since there is no current value for the opposite side of angle A, we can just use a variable to replace it.

You can't reduce this any further because there is an unknown variable.