Volume of a cube with the dimensions of length of 1/2 width1/2 height 1/2

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}