The three ways are substitution, elimination, and graphing
Answer:
answer is c of your question
Answer:
sure
Step-by-step explanation:
Answer:
15/17
Step-by-step explanation:
Sine is
, and we see that the angle opposite of A is 15 while the hypotenuse is 17. Plug that into your formula and you get
.
Let the number of hours be x.
70 + 80x < 100x
20x > 70
x > 3.5