Ihave a easy question out there for 13 points plz answer it
(i don't really need it answered but i want it answered)
(p. s the answer is < 4)
(p. p.s its a mathematics question)
(p. p.p. s did i mention it was easy? )

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250