Which values for h and k are used to write the function f of x = x squared + 12 x + 6 in vertex form? h=6, k=36 h=−6, k=−36 h=6, k=30 h=−6, k=−30

Simplify using positive exponents only.

Ling is using fraction strips to add 2/3 and 7/12's the sum is one whole plus how many twelves?

The equation for two lines in the coordinate plane are 2dx+y=4 and -6x+y=3, where d represents an unknown value. what value(s) of d would make these lines parallel?