The ratio of blue tacks to red tacks on the bulletin board is 2 to 3. There are 18 red tacks. How many blue tacks are on the board?

12

Step-by-step explanation: divide 18 and 3 that is how many blue tacks there are so multiply that number by 2 and you have your answer.

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step-by-step explanation:

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

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