CCSS.Math.Content.7.EE.B.3

Every 2 days a scientist spends 1.25 hours observing dolphins and 3.5 hours observing sea lions. At this rate, how many total hours will the scientist spend observing dolphins and sea lions in 6 days?

• 28.5 h
• 14.25 h
• 9.5 h
• 23.5 h

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CCSS.Math.Content.7.EE.B.3

∛27

• 3
• 2
• 4
• 9

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CCSS.Math.Content.7.EE.B.3

5x - 14 = 8x + 4

• x = 6
• x = -6
• x = -18/13
• x = 10/3

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CCSS.Math.Content.7.EE.B.3

Find the slope given the points (1,4) and (5,9). 

• 5/4
• 4/5
• -5/4
• 2/3

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CCSS.Math.Content.7.EE.B.3

Express an integer: a withdrawal of $100

• 100

• -100

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CCSS.Math.Content.7.EE.B.3

Solve using substitution.
x - 2y = 2
3x + 4y = 3

• (1.4, -0.3)
• (3.1, 5)
• (-2.5, 3.5)
• (6.9, 1.02)

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CCSS.Math.Content.7.EE.B.3

Evaluate f(-3) if f(x) = 3x + 21

• 12
• 30
• 11
• -30

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CCSS.Math.Content.7.EE.B.3

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

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CCSS.Math.Content.7.EE.B.3

An internet company charges a $100 set up fee, and then they charge $35 a month after that.  What is the initial value?

• $100
• $35
• $135
• $65

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CCSS.Math.Content.7.EE.B.3

Simplify the following:  
-8 + (15 - 3) ÷ 4

• -5
• 1
• -11
• 11

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CCSS.Math.Content.7.EE.B.3