PLZ HELP ME WITH THIS IT DUE TODAY and explain 1 is the first image question

2 is second image question

Part 2 :
1.-(-½ )-3(-2)

2.-20 ÷ (4 − (10 − 8))

3. -(7-9)-2[-5-(-9)]

Evaluate each expressions below.

4.-3x8-2x7-8x9

5. 4[30-(10-2)x3]

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

When only separate discreet points are graphed it is called?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.