Choose the missing exponent to create a polynomial: 3x^4+4x^2-9x^-? +2
a)2
b)3
c)-9
d)7
e)4

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

Find the solution of each of the following.

Find two numbers if their sum is 91 and the ratio is 6: 7?