How to add elementary fractions step by step

Rounded to the nearest 1,290.

The ages of 3 friends are consecutive odd integers. If the sum of the 3 friends' ages is 45, which equation can be used to determine the age, X, of the youngest friend

In a random sample of 200 Americans, 51% said they favor building more nuclear power plants. In a random sample of 150 French, 48% said they favor building more nuclear power plants. At? = 0.

After a 12% pay raise now earning 31,360 what was the salary before the raise

For the past three months, grace used her cell phone for 43 minutes, 62 minutes, and 57 minutes. How many minutes would she have to use her cell phone this month for the average usage over the four months to be 55 minutes?

Find the polynomial p (x) with roots 1+i and 1-i

How do you find unknown angle measurements with no measurements on either side of the angle

5 * {25 - [ (90 - 80) * (18 : 9) ]}

Rob and Nancy are working on a project. Rob completes 1/8 OF IT ON Monday and 3/8 of it on Tuesday. Nancy completes 2/8 of it on Wednesday and 1/8 of it on Thursday. Is the project completes. Explain.

Examine this set of Pythagorean triples from part C. Look for a pattern that is true for each triple regarding the difference between the three values that make up the triple. Describe this pattern.