Answer:
The system that can be used is:


Step-by-step explanation:
We have that:
x is the price of a package of sugar cookies, y is the price of a package of oatmeal cookies.
Shaikha sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56.
This means that:

Khalid sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60.
This means that 
System that can be used:
The system that can be used is:


Since the probability of the coin landing leads is 1/2, simply cube 1/2 to arrive at your answer: 1/8.
You cube 1/2 because you must land heads three times in a row and each flip is independent from other flips.
Answer:
n=-2
Step-by-step explanation:
4n=-8
n=-8/4
n=-2
Answer:
25%
Step-by-step explanation:
100% means total amount of people surveyed, which is 300 people total.
We're looking for females who own a blue car, so that's 75 people out of 300.
75/300 = 0.25
Convert the decimal to percent by moving decimal 2 places to the right
Answer is 25%
D because they are equal the same if you do 3×6=18 and 2×9=18
They have the same area amount.
~JZ
Hope it helps