Plz answer both questions 15 points

a: when multiplying or dividing rational numbers, when will the answer be positive?

b: when multiplying or dividing rational numbers, when will the answer be negative?

answer: i wpould go with c

step-by-step explanation:

b is the correct answer

it's possible to build a triangle with side lengths of 3, 3, and 9.- true ( b.)

if i'm not wrong, i would say that the third angle has (72) because the three sides of all triangles have 180 degrees and if we subtract 180 - 62 - 40 = (72) / but i'm not sure about 40 yd.