Jerome bought three T-shirts. The red one cost $7.97, the green one cost $11.49, and the black one cost $12.58. How much did they cost in all? $6.88
$19.46
$32.04
$103.77

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)

Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?