Answer:
(11, 11)
Step-by-step explanation:
Solve by substitution:
1. set the equations equal to each other

2. simplify

3. substitute the value of x into an equation

Answer:
z=20
Step-by-step explanation:
(2z + 16) +124 =180
2z + 16 +124
2z + 140 = 180
2z -140 -140
2z = 40
z = 20
Answer: No
Step-by-step explanation:
Rachael getting a head every time she tosses a coin ten times is unlikely.
Theoretically, there will be some head and tails during the toss of the coin. Theoretically, there should be 5 heads after ten tosses of the coin.
To get exactly 10 heads during the tosses of coin, Rachel would need a larger trial to get a more accurate data.
Answer:
A
Step-by-step explanation:
Jay’s elevation is at -20.
Talia’s elevation is at 20.