Kara will have more money. By the end of the week, she will have $21, Kevin on the other hand will only have $1.75.
A negative number * another negative number gives a positive value
A positive number * another positive number also gives a positive value
The solutions are -4, 4
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Answer:
Solve the following system for x and y:
{2 x + 53 = 53, 8 x + 3 = 42}
Check whether x and y are present in the given system:
Answer: The variable y is not present. Therefore its value cannot be determined.
Step-by-step explanation:
