Answer:
mean = 172.72cm and variance = 645.16
Step-by-step explanation:
1 inch = 2.54 centimetres
mean = 68 * 2.54 = 172.72 cm
standard deviation = 10 *2.54 = 25.4 cm
variance = square of standard deviation
variance = 25.4 * 25.4
variance = 645.16 cm
Answer:
Step-by-step explanation:
Parallel lines are the lines that are always the same distance and never touch.
Answer:
(-2,1)
Step-by-step explanation:
Rectangle has same lengths and same width so its (-2,1)
x= -2 y=1