What is the mean of the data set Heart beats
5|0
6|000
7|00
8|00
9|0
5|0 = 50 heart beats per min

40

60

65

70

What is sin 7x/4 ? i need on this urgent trig

If you answer 2+2 you will get over 80 points

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality