Select the correct answer show the workings 1 . (-2) + 7 - ((-4) + 8)

a)9
b)1
c)8
d)5

Which statement justifies why angle ebc measures 90?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What is 1/3x5 on anuber line what does it look like on a number line