Please HELPPP!!! Which quadratic funtion is in standard form?

1. h(x)=2x^2-8x-10
2. g(x)=-3(x-3)^2+4
3. y(x)=-(x-6)^2+16
4.f(x)=(x+1)^2+0

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Long division the problem is 40 ➗ 348 = ?

What is the absolute value of the complex number -4-sqrt2i