How many solutions exist for the given equation? 0.75(x+40)=0.35(x+20)+0.35(x+20)
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How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?

What is the absolute value of the complex number -4- 2 v14 3.15 14 18