Answer:
=[5,6,7,8,9]
Step-by-step explanation:
a=(5,6,7)
B=(7,8,9)
AUB=(5,6,7)U(7,8,9)
=[5,6,7,8,9]
Answer:
C 9s-8t
Step-by-step explanation:
A linear expression is an algebraic expression in which each term is either a constant or the product of a constant and (the first power of) a single variable. Linear expression can have one or more variables.
Answer:
y=.1x+40; Your total monthly bill is $48 for 80 text messages.
Step-by-step explanation:
y is your total bill
x represents each text message
40 is you cellphone bill cost
.1 is the cost per text message
(y=.1x+40 becomes your equation)
plug 80 to represent "x"
y=.1*80+40 ---> y=48
your total monthly bill is $48
<span>T(x,y) -> (x-3, y+7)
</span><span>is usually i have seen them parametrically defined
</span>
Step-by-step explanation:
Boys

Girls

Total last year 46
Total this year 48
Increase