c. 11 log x
= 5 log (10) x + 3 log (10) x^2
= log(10) x^5 + log(10) (x^2)^3
= log(10) x^5 + log(10) x^6
= log (10) x^11
=11 log (10) x
= 11 log x
answer is c.
yes, la tasha is correct, because the correlation coefficient is r=0
, see the attached file.
the answer to the first question is:
the triangle is an acute triangle. because all of the sides are less than 90 degrees (acute). so, it's an acute triangle.
the answer to the second question is:
all the sides of a triangle equal 180 degrees, so add what you have now, and subtract from 180 to find the last angle.
48 + 85 = 133
180 - 133 = 47
so, the answer is 47! : )