How many pairs of parallel sides does a rectangle have

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

The product of sin 30 degrees and sin 60 degrees is same as the product of

Which is the value of this expression when p=3 and q=-9