If 3 golfers go, they each pay $21. What is k (constant of variation)?

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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.

Write a story that matches with the expression 42x-5 pls hurry