Answer:
The mean is 20
Step-by-step explanation:
17+19+21+23=80
80 div 4 = 20
The answer is b i hope this right to u
Answer:
The answer is 190mm2
Step-by-step explanation:
(3x5)x2 30
(3x10)x2 60
(5x10)x2 100
add them all up to get 190
C. 5.75 calories per gram
Edit: 287.5÷50=5.75
402.5÷70=5.75
Well, 99 times 10 is 990, 990 plus 9 is 999. If you understand pls respond