He spent $11 dollars minus tax
Step-by-step explanation:
you put the values in place of the variable names and calculate.
y² + x + y
(-4)² + -3 + -4 = 16 - 3 - 4 = 16 - 7 = 9
Answer: d
Step-by-step explanation: None needed
For this case we must find the value of the following expression:

When:

Substituting the given values we have:

Finally, the value of the expression is 394.
Answer:
The value of the expression is 394.
Answer:
21-7x
Step-by-step explanation: gather like terms
25-4=21 -9x+2x=-7x