Which set of lengths can be used to construct a unique triangle? Select ALL that apply. a 30m, 10m, 20m

b 14miles, 17miles, 31 miles

c 3ft, 5ft, 7ft

d 8m, 18m, 8m

e 11in, 4in, 9in

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?