y = -3(x<span> - 2)^2 + 1 </span>x<span>-coordinate of vertex: </span>x<span> = -b/(2a) = -12/-6 = 2 y-coordintae of vertex: y(2) = -12 + 24 - 11 = 1 </span>Vertex form: y = -3(x<span> - 2)^2 + 1 Check. Develop y to get back to standard form: y = -3(</span>x^2 - 4x + 4) + 1 = -3x<span>^2 + </span>12x<span> - </span>11<span>. </span>
B because the amount of money they earn per hour multiplied by how many hours they worked is equal to what they earned in total
Answer:
3 x 21
20 x 4 tenths
21 x thirteenth
please mark me as brainlist please
13.5
It’s a close guess . Sorry if it’s wrong
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