exam Maths Puzzle Numerical Ability

I am so clueless when it comes to Algebra. How could i solve this?

y = -2x � 9

x y
-2
-1
0
1
2

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exam Other Question

Perform the specified operations and write your answer in standard form.

(4+ 3i)(-7 + 4i) (eg. 2, D, E)

College Algebra ISBN-13: 978-0-618-77629-0

Thanks The equation h=-16t� + 112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to reach a height of 180 ft.