Can someone solve these.
1) what is x? :
2x(103 + x)

2) what is x? :
(5x - 5)(2x + 97)

3) what is x? :
(199 - x)(3x + 11)

4) what is x? :
(-5x + - 11)

5) what is x? :
(-x - 60)(52 - 8x)

What is the value of x in the following equation. -x ^3/2 = -27

What expression is equivalent to log3(x+4)

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.