What is the value of 11 + 3(9-6) - 4?
Pl! It's due tomorrow and pls explain not jus5 the answer 19 points!

answer:

Step-by-step explanation:

11+3(9-6)-4

parentheses first

11+(3(9-6)-4

11+(27-18)-4

11+9-4

20-4

16

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

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