For the three part question provide answers to Part A, B and C. Part A: Explain what the roots of a function are and how to find them.
Part B: Calculate the zeros of the function y = -x² - 4x + 21.
Part C: Describe the graph of the function from Part B, including key characteristics of the function.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

Can someone me with this? i’m not sure what to put for my equations.