1. If the ratio of dogs to cats is 7 to 3, this means... A. For every 7 cats, there is one dog.

C. For every 7 dogs, there is one cat.

B. For every 7 cats, there are 3 dogs.

D. For every 7 dogs, there are 3 cats.

D. For every 7 dogs, there are 3 cats.

Step-by-step explanation:

D

Step-by-step explanation:

for every seven dogs there are three cats

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there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1