1. Maple and Oak (touch but without a right angle)
2. Maple and Birch (will never meet and are same distance from each other forever)
The frequency is 1 /period = 1 / [ 2 pi ]
Answer:6,2
Step-by-step explanation:you need to add each step and divide
Answer:
D. Malik substituted 60 for y instead of x.
Step-by-step explanation:
Look closely at the step by step process.

check your calculator for the [!] factorial button.
also bear in mind that most calculators also have an [ₙPᵣ] button, to get Permuations, and you can just use that.