Answer:
The total cost is 
Step-by-step explanation:
Let
x-----> the number of tulips
y-----> the number of daffodils
C-----> the total cost
we know that


substitute the value of x

Find the total cost

substitute

Answer:
x=[15:-5:-25]'
Step-by-step explanation:
In order to create a vector you need to use this command:
x = [j:i:k]'
This creates a regularly-spaced vector x using i as the increment between elements. j is the initial value and k is the final value. Besides you need to add the character ' at the end in order to convert the arrow vector in a column vector
Answer:
Given the statement: Crater Lake in Oregon in shaped like a circle with a diameter of about 5.5 miles.
Area of circle is given by:

where
A represents the area of a circle
d represents the diameter of a circle.
then;
It is given that Surface of Crater lake is shaped like a circle.
Substitute the given values, we have;
Area of a circle = 
=
square miles
therefore, the area of a surface of a crater lake is, 23.74625 square miles.
Answer:4
Step-by-step explanation: Because 4 goes in 3/4 better and more eqvilent to that answer.