Aman cut a cake into 8 pieces. his family ate 1/2 of it, then he gave away 3 pieces. what fraction of the cake was left?

If a + b = 4, what is the value of |4 – a| + |4 – b|?

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?

What is the best name for the part of the figure identified by the arrow? line of reflection o line of symmetry plane of reflection o axis of symmetry