Kathy has $50 in her bank account right now. After three days she had $35 left. What is her rate of change per day?
Think about if she is making or spending money. Just write
the number.

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0