Math Help.... solve as many as you can for 10 points!!!!?

[baller234]

Ok whoever can answer all or most of these questions correctly will get the 10 points. Please help

ok in these problems solve for x.

1) 14= (5+x)/(x-3)

2) x-6 = 2 + (x+1)/(x+4)

3) 14-x = (x-6)/(x-3)

Next

4) Find x squared + y squared. if x + y = 7 and xy = 17.

5) Lindsay, Paul, and Kelly each have hair of a different color. One has blonde hair, one has red hair, and one has brown hair. If lindsay is a blonde, Pual has red hair. if lindsay has red hair, Paul has brown hair. If Paul is not a blonde, Kelly has red hair. What color hair does each person have?

6) On saturday, Kevin challengd Luis to a 10-mile bicycle race. When Luis reached the finish line, Kevin was two miles behind him. On Sunday, Kevin challenged Luis to another race. To even up the contest, Luis started two miles behind Kevin. Assuming they cycled the same distance at the same speeds as before, which cyclist won the race? EXPLAIN your reasoning.