A buliding 78ft high casts a 195ft shadow on sarah. sarah casts a 10ft shadow. how tall is sarah?

What is the unit rate of 108/12

The population of a certain bacteria colony can be modeled by the function f (x) = 2 x, where x is the number of hours after the colony started. What will the population of the bacteria colony be after 12 hours?

Sketch 11pi/6 in standard form

It took a car 3 days to travel 2245 miles. What was this car's average speed, in miles per hour? (round to the nearest mile per hour)

Which is true about the polynomial 1814s + or - 782? It is a binomial with a degree of 2. It is a binomial with a degree of 3. It is a trinomial with a degree of 2 It is a trinomial with a degree of 3.

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.