Answer:
theoretical is first then experimental
Step-by-step explanation:
Answer:
What is the exact value of tan(−π4)? is 20
Two cheaper books = x
more expensive = 1.5x
so, 2.5x=150
150/2.5=x=60
therefore the more expensive book = 90
Answer: D) 49.86
276.99 x .18 (or 18%) = 49.8582