Step-by-step explanation:
f(x) = x² - x³
f(-2) = (-2)² - (-2)³
= 4 - (-8)
= 4 + 8 = 12
Answer:1-12.5 feet, 2-10 feet, 3-13.75 feet, 4-8.125 feet,5-25 feet, 6-20 feet
Step-by-step explanation: All you have to do is break down the scale factor to 1:2.5 and multiply each measurement by 2.5.
All you do is add up all test scores then divide by number of tests, so you get 450/5, and thats an average of 90%
Multiply 9 and 5 then multiply by .5 giving you 22.5 so I’d say that’s your best option