Suppose p is the predicate defined by p(x, y) = x is friends with y, where x and y are people. (no one is considered to be friends with themselves.) translate the formal expression vx=y=z(y + z a p(x, y) a p(x, z)) into english.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

it has changed from the width and the height.

step-by-step explanation:

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

answer: x=60