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Surth took the advertising department from her company on a round trip to meet with a potential client. Including Suah a total of 9 people took the trip. She was
able to purchase coach tickets for $330 and first class tickets for $1100. She used her total budget for airfare for the trip, which was 56820. How many first class
tickets did she buy? How many conch tickets did she buy?
number of first class tickets bought

do your own work and don"t cheat.

step-by-step explanation:

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153

the answer would be  

a.

3: 1

step-by-step explanation:

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