A triangle has two sides that measure 9/10 of a meter and 3/5 of a meter. What measurement can the third side of the triangle not be greater than?

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Ineed with this problem 21 show steps