10.99x = 3.99x + 280
7x = 280
x = 40
They must sell 40 T-shirts to break even
Answer:
8
Step-by-step explanation:
S = -7 to V= 1 you count from -7 to 1
Evaluate 10 m + n 2 4 10m+ 4 n 2 10, m, plus, start fraction, n, squared, divided by, 4, end fraction when m = 5 m=5m, equals,
Bond [772]
Answer:

Step-by-step explanation:
Variables : The value of a quantity which can be changed.
Monomial : Monomial contains only one term.
Example 3x, 4,6y² etc.
Binomial: Binomial contains two terms.
Example 3+4y, 20+7z etc
Trinomial: Trinomial contains 3 terms.
Example 5x-2y+5, 7z-3y+4x etc.
Given that,
[ It is a binomial.]
Putting m =5 and n=4



=54

Answer:
I believe its C , i took this class
Step-by-step explanation: