Answer:
<h2>z = 6</h2>
Step-by-step explanation:

1, 3 not really any explanation
Answer:
D
Step-by-step explanation:
When you put something in parenthesis by a number, your multiplying each individual number by the number outside of parenthesis. Therefore, 5(2) = 10 and 5(7) = 35 and that equals 45, and 5(2+7) you distribute the 5 to both numbers and get 10+35 which equals 45 aswell.
Answer:
Starting from the origin, move 2 units to the right on the x-axis. Then, move up 6 units on the y-axis.
Your answer would actually be A. since the question asks how fast he can run to get across half a basketball court (Which is around 14 meters.) You would multiply 3.5 times 4 to get 14, since m/s stands for Meters per Second, 4 seconds would equate to 14 meters if he was running 3.5 m/s