4x+30=90
4x = 60
x = 15
answer is B. 15
Answer:
4
Step-by-step explanation:
Answer:
108 student tickets, and 176 adult tickets were sold.
I hope I helped, and thanks for the points!
Step-by-step explanation:
For a 95% confidence interval, the corresponding z-score is 1.96. Therefore the deviation will by 1.96*0.5 lbs = 0.98 lbs. Therefore, the confidence interval will be (5 - 0.98, 5 + 0.98), which is (4.02, 5.98). The weight range is from 4.02 lbs to 5.98 lbs.
Answer:
the sum of 7 is 7
Step-by-step explanation:
