A. [(-30)+(-5)]+[45÷(-5)] B.[17-(-9)]+[(-39)÷(-3)]
C. [(-23)+(-9)+11]+[(-12)×4]
D.[17+(-40)]+[(-16)+12]
E.[23+(-19)]+[(-5)×8×(-3){
Repaso de números enteros y fraccionarios Chicos me ayudan a resolver esto plis con todo el procedimiento ​

In the diagram below what is the approximate length of the minor arc ab

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

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