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  1. What is the sum? (1 point)

7/3+(-3/8)


64/24

47/24

-4/5

-5/4

  1. What is the simplified form of the following expression?

2x^2y + 3x^2 + 4y + 3x^2y + 2y

(1 point)

5x^4y^2 + 3x^2 + 6y^2

8x^2y + 6y^2

5x^2y + 3x^2 + 6y

14x^2y

  1. Using the formula , where d is the distance in miles, r is the rate, and t is the time in

hours, at which rate must you travel to cover 227.5 miles in 3.5 hours?

(1 point)

65 mph

75 mph

85 mph

95 mph

Verified Answer :

texaschic101

7/3 + (-3/8) = 7/3 - 3/8 = 56/24 - 9/24 = 47/24

2x^2y + 3x^2 + 4y + 3x^2y + 2y...combine like terms
5x^2y + 3x^2 + 6y

distance = rate * time...looking for r
d/t = r

227.5 / 3.5 = r
65 = r





mpia911
  1. -5/4
    1. 5x^2y+3^2+6y
    20. 65 mph

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