Which equation is an identity?

3w + 8 – w = 4w – 2(w – 4)

–3y + 3 = –3y – 6

9 – (2v + 3) = –2v – 6

7m – 5 = 8m + 7 – m

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm