Doses the order of the numbers in an ordered pair matter when naming a point ? Why or why not ?

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

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

Adriana had a garden where he measured the height of a corn plant. what. on the first day, it was 145 cm tall. after 2 weeks is grew by 23 cm. what is the height of the corn plant