Judy got 60 marks in test 1. She got 40 marks in test 2. What are her average marks in both tests?

90,175,087,309 in expanded form

Which of the following is equal to 5 4/9? A 5.49 B 5.25 C 7.25 D 5.4 (The for has a line on top of it.)

14|x| - 14 = 41 Algebra

1 liter is equal to how many cubic centimeters?

Translating Words into Operations If there are 26 students in each third-grade class and 3 third-grade classes in the school, how many students will attend an assembly for third graders if a total of 4 students are absent? students

Write an equation with the solution x=20?

A sequence has a first term of 2 and a constant ratio of - 3/2 what are the first five terms of the sequence

A three-dice is a six sided dice with only the numbers 1, 2 and 3. The usual numbers 4, 5 and 6 are replaced by 1, 2 and 3 respectively. 4 three-dice (with sides labeled 1, 2, and 3) are rolled and the numbers face up on the 4 dice are recorded.

Judy is making scarves to give to her family as gifts. She needs to make 5 scarves and each scarf is 3.75 feet long. How many yards of fabric does Judy need to buy?

Find the margin of error for a 95% confidence interval for estimating the population mean when the sample standard deviation equals 100 , with a sample size of (i) 484 and (ii) 1764. What is the effect of the sample size?