Why will percent of change always be represented by a positive number?

Mr. hill had 471 pencils. He gave away 164 pencils. How many pencils did he keep

Glen is being tested for a contagious disease. The test is 99% accurate and in actuality 0.1% of the population has the disease. Should Glen demand to be retested or start treatment right away? Explain.

If cos angle A = 342/1000 then what is m angle A to the nearest degree

How do you reduce 24/16?

28 divided by 52 by using long division

What's (-1.15) * 3.2=? Explain = )

Ramon jogged for 2/3 hour. Crystal jogged for 1/2 hour. How long did they both jog.

If Heather is weekly pay is directly professional to the number of hours she works at this record store her pay is $174 for 24 hours of work find amount of payment for 40 hours of work

1/8 of Tony's books are mystery books he has 3 mysetry books how many books does tony have in all

Barry's pet turtle, Turtlelini, escaped from his backyard. Barry found Turtlelini by the creek and wanted to determine how far Turtlelini had walked. On the map, Barry's house is 0.6 inch from the creek. If the scale on the map shows that 1.