9514 1404 393
Answer:
5
Step-by-step explanation:
Add the latter two equations and you get ...
(a +b) +(a -b) = (7) +(3)
2a = 10 . . . . . . . . . . . . . . . simplify
a = 5 . . . . . . . divide by 2
Answer:
280
Step-by-step explanation:
You want an answer that says the following...
She spent eleven (11) hours while working at the library which can be represented by p and she earned an amount of cash of at least one hundred forty (140) dollars.
The correct answer is choice D.
The answer is 40000000000
Answer:
f(12) = - 20
Step-by-step explanation:
To evaluate f(12), substitute x = 12 into f(x), that is
f(12) = - 2(12) + 4 = - 24 + 4 = - 20