Write an algebraic expression that represents three less than the square of a number k.

2k-3

Step-by-step explanation:

the square of k is k times k so 2k (two times k) and less than three means minus three.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

c-   36

taxicab circle radius 9 has 4(9) = 36 points