The -1 affects the coefficient of the entire term.
Without the -1,
the term has a positive coefficient.
(3a)² = 9a²
However, with the -1,
the term has a negative coefficient.
-(3a)² = -9a²
Answer:
System of Equations:
let x be the cost of a taco
let y be the cost of a burrito
7x + 3y = 22
3x + y = 8
The cost of a taco is $1
The cost of a burrito is $5
Step-by-step explanation:
Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)
5/8+ 2/5
= 25/40+ 16/40
= 41/40
= 1 1/40
The final answer is 1 1/40~
Answer:
D.
Step-by-step explanation:
If you follow the pattern, four boxes should use 21 toothpicks.
Answer:
so you need the whole test done?
Step-by-step explanation:
