Dragonfly speed is 6.974
horsefly speed is 3.934
bumblebee speed is 2.861
honeybee speed is 2.548
housefly speed is 1.967
they are all insects

Which of the following statement about pascal's triangle are true?

Sketch one cycle if the cosine function y=2cos2theta

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?