A sequence has t(3)=18 and a common difference of 5. List the first 5 terms in the sequence A. 5, 8, 11, 14, 17

B. 18, 23, 28, 33, 38

C. 8, 13, 18, 23, 28

D. 28, 23, 18, 13, 8

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2: 10

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