Replacing a number with a number that tells you about how many or how much it's called

Karen is 6 yrs older than her sister Michelle and Michelle is two years younger than their brother David If the sum of their age is 62 how much older is Michelle

Erica bougfht 3 1/2 yards of fabric if she uses 2/3 of the fabric for a curtain. how much will she have left?

A twelve-pack of juice costs $4.20. An eighteen-pack cost $5.40. Which is the better buy

This is a value of the variable that makes the equation a true statement

Equivalent ratios to 16:12 and 12:16

Estimate 137 638+52 091

Which of the following is the purpose of a confidence interval for the fitted (predicted value) from a regression model? A) To estimate the value of a future observation for a given value of x.

Write the answer in simplest form: 3/5 + 2/7 a. 31/35 b. 5/12 c. 1/7 d. 6/35

The expanded form of - 10 (6-b)

What is the prime factorization of 256