The sophomore class at Hoover High School has 118 girls. Of those girls, 64 play sports, 19 are on the debate team, and 4 belong to both. How many girls do not belong to either group?

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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the answer is 11.2 (i know i’m late)

(a) {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …}

(b) $59 398

step-by-step explanation:

(a) the annual sequence of profits

aₙ = a₁rⁿ⁻¹

the model for the sequence of profits is {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …} .

(b) profit after 15 yr

  a₁ = $ 30 000

  r = 1.05

a₁₅ = 30 000 × 1.05¹⁴

a₁₅ = 30 000 × 1.979 93

a₁₅ = $59 398

the profit in year 15 will be $59 398.