Answer: I dont know the answer but i did some research and i got you some notes i hope they help!
Step-by-step explanation: :D
Answer: z = 2
solution:
formula of z value is
z = x - μ / σ
so z = 40-30 / 5 = 10/5 = 2#
Answer:
1:12.
Step-by-step explanation:
The scale is 6 in : 2 yds.
There are 36 inches in a yard so this
= 6 : 72
= 1 : 12.
Answer: There are 18 quarters and 3 dimes in $4.80
Step-by-step explanation: