Positive cosine is first or fourth quadrant. So we don't know the sign of the sine or the tangent.
Everybody's favorite right triangle is 3/4/5 and here we have

So if

then

and

The answer is $5.15! Hope this helps
Answer:
Vertex plot is (1,4)
and
second plot point (0,6)
Step-by-step explanation:
You can use the the desmos graph calculator by entering quadratic function f(x) = 2x^2 − 4x + 6
Answer:
28 cm^2
Step-by-step explanation:
a^+21^2=36^2
a^2+441=1225
a=28
14.99 *3 = 44.97
44.97*1.06 =47.6682, round off to $47.67 with tax