Evaluate 4k2+3 when k=5 (the 2 is little on top of the k but i don't know how to put it little)

What is the vertex form of f(x) = x2 + 6x + 3

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?