Answer:
so the question is very interesting and the answer is 12 × 15 so the answer is 180 rolls of ribbons
(x + 4) (x - 3)
a = 4
b = -3
a^2 + b^2 = ...
= 4^2 + (-3)^2
= 16 + 9
= 25
Answer:
If the complement of an angle is 25 degrees, then the measurement of the angle will be 65 degrees.

just subsitute
f(4)=4²+3(4)-1
f(4)=16+12-1
f(4)=28-1
f(4)=27
it approaches 27 as x approaches 4