Expanded form 2nd grade there were some horses in a field the farmer bought 18 more horses and put them in the field . now he has 45 cows in the field. how many horses did the farmer buy?

The perimeter of a rhombus with a side of 6 is 24

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?