# Math

1. Solve for x: 4x/9 = 2(x+4)/3

2. Factor completely : x to the fourth power -16...

3. If a = all #s between -5 and 5, B= all primes and c= whole numbers how many numbers does the intersection of A,B, and C all contain? i think its 2...

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1. hints

1. first, get rid of the fractions by multiplying both sides by 9

2. to factor, find the square root of x^4

3. you should draw a number line from -5 to 5 and graph points for A, B and C

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