HELP PLEASEJEHBCHA A graph of a quadratic function is shown on the grid.
Which coordinate best represents the vertex of the graph?
A (0, -2)
C (2,-5)
B (-0.6, 0)
D (4.6, 0)

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain