Resuelve las siguientes ecuaciones

1. 2+5x=4x+7 2. 4x-5=1+3x

3. 8-5x-4=-6x+6 3. 4x+8+2x=5x-1

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A company has set its gross margin benchmark at 40% to 42%. An increase in the ratio from 38% to 39% is a positive trend.

What is the result when 12a + (-8b) is subtracted from 24a + 10b

Against the wind a plane traveled 1000 miles in 4 hours. On the return trip with the wind the plane took 3 hours and 20 minutes. Find the speed of the plane and the wind.

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Dave surveyed 80 7th-graders and 90 8th-graders. He found that about 75% of the 7th-graders like pop music, while 80% of the 8th-graders like pop music. Do more 7th-graders or more 8th-graders like pop music. Explain.

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Which value of the makes / dfrac{8+h}{10}=1 10 8+h =1start fraction, 8, plus, h, divided by, 10, end fraction, equal, 1 a true statement?

What is 45 rounded to nearest ten

How is growth shown in a rule