Factorise each by first looking for a common factor and then completing the square.
a. 2x^2 + 4x - 4
b. 4x^2 - 8x - 20
c. 5x^2 + 30x + 5
d. 3x^2 - 12x - 39
e. 5x^2 - 30x + 10
f. 6x^2 + 24x - 6
g. 3x^2 + 30x + 39
h. 2x^2 - 8x - 14
i. 6x^2 + 36x - 30

Abc will undergo two transformations to give aa'b'c' which pair of transformations will give a different image of aabc if the order of the transformations is reversed? a. a rotation 90' counterclockwise about the origin followed by a reflection across the y-axis b a translation 5 units down followed by a translation 4 units to the right c. a reflection across the x-axis followed by a reflection across the y-axis a rotation 180'clockwise about the ongin followed by a reflection across the y-axis reset next 2 omentum all rights reserved o atk me anything o o e

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the