ayuda no se como se expresa esto alguien que me ayude

expresión -[p -(q + -r)],para p = -3, q = 2 yr = -4

How do i do this activity, is appreciated

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f