A sample of n = 9 scores has a variance of s2 = 36. what is the estimated standard error for the sample mean? 1 2 4 16

A parabola, with its vertex at the origin, has a directrix at y = 3. Which statements about the parabola are true? Check all that apply. The focus is located at (0,-3). The parabola opens to the left. The p value can be determined by computing 4 (3).

Which fraction is proportional to 2/5? Question 4 options: 5/2 6/15 4/7 6/8

Explain why you should récord a 1 in the tens columna when you regroup in addition problem

13 + 23+12+7 name the property used in each strp

At a local fair, a roller coaster takes 19.63 seconds to complete one ride. If six people can ride at the same time, use estimation to determine how many people can ride the roller coaster in one hour.

If simon makes the minimum monthly payment and makes no other charges, how many months will it be before he pays off the card? round your answer to the nearest whole month.

Y = (2) (3x^2+4x) ^4. find dy/dx

12 divided by 1/9 equals

15) Susan's beach bucket can hold 7 seashells. She wants to collect 28 seashells. How many buckets will Susan need? A) 1 B) 4 C) 7 D) 8

In a 50-question test, the highest score in the class is three times the lowest score minus four. The difference between the highest score and the lowest score is 30. What is the highest score?