Hello! :)

We can use the following area to solve for the area of the trapezoid pictured:

Where:
h = height
b1 = bottom base
b2 = top base
Plug in the given values:

Simplify:

Answer:
The Lowest Unit price is 1.5 liters at $2.70. It dosent mean what your buying is the best quality but its still the lowest unit price
Check the picture below.
now, recall, both blades are congruent, thus a = b, so c² = a² + b² -> c² = b² + b².
Answer:
a summary is an average and an average is mean
Step-by-step explanation:
to get the mean add all the cakes sold together then divide by number of years
21+28+19+26+21=115
115/5=23
so....
first one: mean
second one: 23
Answer:
7 without going over
Step-by-step explanation: