Simplify
3/4*[12*4+(-16)]+(-20)
a. 4
b. -44
c. 44
d. 16
no matter what i do, i just can't get any of these answers. i got 27 then -5 when i did it differently. : )

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?