Determine whether the following side lengths make a triangle. 11, 7, 20

yes; 11+7>20
yes; 11+7>20

no; 11+7<20
no; 11+7<20

yes; 11-7<20
yes; 11-7<20

no; 11+7=20

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.