What is 19/20 minus 11/20

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?