F-(9,3) and (-1,12)
H-(-4,-17) and (8,3)
G-(-1,-11) and (8,2)
J-(-5,-14) and (12,9)

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

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota