1. D, E,F are the midpoints of the sides AB, BC and CA of a triangle ABC respectively. i)If AB = 6.2cm ,find DE.
ii)If DF = 3.8cm , find AC
iii) If perimeter of triangle ABC is 21cm, find FE

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

If g(x) is an odd function, which function must be an even function?

If angle 2=3x +1 and angle 3=2x +4what is angle 2