How do I slove 8n+7=31?

What is an equivalent fraction for 10%

4/10 in a equivalent fraction

Given the sequence 3, 4.5, 6.75, ... find the 8th term. Assume 3 is term 1

The Winner's Store marked down a $74 DVD player to $48. Calculate the following (Show all work to get full credit. Round your answer to the nearest hundredth percent if needed) : a) Dollar markdown b) Markdown percent

Two sides of a triangle measure 5 in. and 12 in. Which could be the length of the third side? 3 in. 6 in. 10 in. 18 in.

Mary is the presenter of a weekly radio show. She plays five new songs for every two old songs. Last week she played 15 new songs. How many songs did she play altogether?

What is 7/100 in decimal

Q: It takes Zach 15 minutes to walk 7 1/2 blocks to the swimming pool. At this rate how many blocks can he walk in one minute?

I varies inversely with x and x=3.25 when y=4.5 what is the value of the x when y=3.75 A) 5.2 B) 3.9 C) 2.7 D) 3.2

How many significant figures will there be in the answer to the following problem? You do not have to solve the problem. 6.783 - 2.