Translate and solve: 23% of 312 is what number

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Which expressions are equivalent to -6 + 3m

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