50 points! a high school coach wants to buy new shirts for the 25 members of the track team. the coach must spend less than $300 on the shirts and needs to figure out how much he can spend per shirt, s. which of the following must be true about the inequality and the resulting graph? check all that apply a)the inequality should be written as 25s< 300. b)the inequality should be written as 25s> 300. c)the circle is open. d)the circle is closed. e)the arrow points left. f)the arrow points right

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18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²