Write an expression to represent the total number of legs on h horses and c chickens

What is the slope of the line 4x + 20y = 5?

The largest colony of black-tailed prairie dogs contains 400 million prairie dogs on 24,000 square miles of land. Using these estimates, what is the average number of prairie dogs for each square mile?

When subtracted, what is the simplified form of (5 - 3i) - (4 + 6i) ? Write the answer in standard form, a + bi, where a and b are real numbers.

15 - 1/6n = 1/6n-1 what is n

How to find resistance

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.