What is the simplest form of the expression 6x(x − 4) − 16x2 − (9x − 1)?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?