A tree casts a shadow x = 100 ft long when a vertical rod 6.0 ft high casts a shadow 4.0 ft long. How tall is the tree? (Round your answer using the rules for working with measurements.)

8*9 = (5+y) * 9, what is y?

A pair of sneakers cost $45 and a pair of sandals cost $20. I bought 5 pairs of shoes and spent a total of $150. How many of each kind of shoes did I buy? Let x = 1 pair of sneakers Let y = 1 pair of sandals Equations: 45x + 20y = 150 x + y = 5

Find the difference between the sum of all 8 positive integral divisors of 66 and the sum of all 8 positive integral divisors of 70.

One leg of a right triangle measures 15 m and the hypotenuse measures 17 m. What is the measure of the other leg?

A man drives x miles the first day, y miles the second day, and z miles the third day. the averge mileage covered per day is

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.