A whole Nutri bar is 130 calories and 2g protein. But I ate half of the bar. How many calories and protein did I eat?

Im literally having a mental breakdown

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.

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?