The vertices of triangle QRS have coordinates Q(1, −2), R(3, −2), and S(2, −4). The coordinates are the coordinates of the vertices of triangle QꞌRꞌSꞌ when triangle QRS is reflected across the x-axis <span>Qꞌ(1, 2), Rꞌ(3, 2), Sꞌ(2, 4). The answer is letter B.</span>
Answer: The perimeter of the rectangle is 28 centimeters.
Step-by-step explanation: I hope this helps-
Answer:
84
Step-by-step explanation:
The mean is calculated as
mean =
, then
= 21 ( multiply both sides by 4 )
sum = 84
Mean: 74
(72+72+73+75+78) divided by 5
median: 73
(line all the numbers up in numerical order then cross out one from each side and repeat process until in the middle)
All of them specifically?