The energy E possessed by an object of mass m kg travelling at a height h m with a velocity v m/s is given by
a) Express v in terms of the other letters.
b) If the energy of a 20 kg mass at a height of 15m is 4 900 joules and g = 9.8, how fast is the mass moving?
Please help

Which rule describes the composition of transformations that maps △abc to △a”b”c

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

Biggest exam of the which of the following are polynomial functions?