Alan's test score average decreased by 12 points this semester. Write a signed number to represent this change in average.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.