What is the value of x (NO LINKS!)

In which form is the following function written? y = - 2(x – 3)(x + 5)

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog