Evaluate and write in simplest form. for x = 4 and y = 8
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hi,

i'm 75% sure the answer is 1,1 to both lines.

have a great day

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2

you save $70

discount would be 35% off

step-by-step explanation: