Answer:
1 sub = $5.50; 1 sandwich = $4.00
Step-by-step explanation:
You can solve this using a matrix and solving using reduced row-echelon form.
Order of Operations = Please Excuse My Dear Aunt Sally, PEMDAS. P= Parentheses E=Exponents M= Multiplication D= Division A= Addition and S= Subtraction in that order.
The answer
4-10+12/3+(7^2-7)
4-10+12/3+(49-7)
4-10+12/3+56
4-10+4+56
4-14+56
4-70
-66
-66 should be your answer if i’m not mistaken
Answer: $3100
Step-by-step explanation:
Stephen plans to attend community college for two years and his expenses are only $2,000 each year. For both years, his expenses will be:
= $2000 × 2
= $4000
Since he earned a one-time $900 scholarship. The amount left to pay will be:
= $4000 - $900
= $3100
Answer:
7x² - 6x + 4
Step-by-step explanation:
(4x² - x + 6) - (-3x² + 5x + 2)
4x² - x + 6 + 3x² - 5x - 2
4x² + 3x² - x - 5x + 6 - 2
7x² - 6x + 4
