Answer:
r is 32
Step-by-step explanation:
because yes it was y
Answer:
crayon- 8cm pencil-16cm
Step-by-step explanation:
if the crayon is 8, and the pencil is doubled(8x2) that's 16
8+16=24, add them together for the sum
Answer: 
Step-by-step explanation:
Given : Significance level : 
Critical value : 
Sample size : n=1305
The proportion of tenth graders read above the eighth grade level. =
The confidence interval for population proportion is given by :-

Hence, the 99% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level is (0.771,0.829) .
Put the x on one side
2x+7=x+11
-x -x
x+7=11
Then subtract
x+7-7=11-7
x=4
Hope it helps!!
Y= -5/3x +3 i think would be your answer