Maria buys a pair of earrings for $12. 50, a necklace for $15. 50, and a shirt for $21. 98
1 answer:
You might be interested in
Answer:
a(+
) = = -13
Step-by-step explanation:
Given that a = -1, b=2 and c= -3
find the value of a(+
)
Just substitute the values given for each variable
a(+
) = (-1)(
+
) ; do the exponents first
a(+
) = (-1)(4+9)=(-1)(13) ; now add inside the parenthesis;
a(+
) = -13 ; and multiply by -1