Answer:
Option A. 356 gidgets
Step-by-step explanation:
we have
R(x) ----> the monthly revenue function
C(x) ---> the monthly cost function
x ----> the number of gidgets sold


we know that
Break-even means that the revenue equals cost
so

solve for x



Answer:
-1.2 or -11/9 or -1 2/9
Step-by-step explanation:
Answer:
24.5
Step-by-step explanation:
Since 180 is double 90 divide 45 by 2 and you'll get 24.5
Answer:
not a right triangle
Step-by-step explanation:
We can use the Pythagorean theorem to see if it is a right triangle
a^2 + b^2 = c^2
15^2 + 12^2 = 21^2
225 + 144 = 441
369 = 441
This is not true so it is not a right triangle