When should you use t distribution to develop the confidence interval for the mean?

How many 6 inches long tiles will fit on a back splash that is 8 ft long

by 2020 California is expected to have 2 million more seniors citizens than Florida, and the sum of the number of senior citizens in the two states is expected to be 12 million. Find the expected senior citizen population of Florida in 2020.

13.5x=81 solve for x

The sum of two consecutive integers is 37. Write an equation that models this situation and find the values of the two integers. A. n + 2n = 37; n = 12; 2n = 24 B. n + n + 1 = 37; n = 18; n + 1 = 17 C. n + n + 1 = 37; n = 18; n + 1 = 19 D.

Lily likes to collect records. Last year she had 10 records in her collection. Now she has 14 records. What is the percent increase of her collection?

Equivalent ratios of 7/6

If you from k12 and is in 8th grade HMU

Leah wrote 2 different fractions with the same denominator. Both fractions were less than 1. Can their sum equal 1? Can their sum be greater than 1? Explain

A swimming pool that contains 12,500 gallons of water also contains 25 ounces of chlorine. Which of these statements is correct based on this information? The pool has a ratio of 50 gallons of water to 1 ounce of chlorine.

H (x) = x^2-4x+1 find axis of symmetry