
By the quadratic formula,

Then


Multiply numerator and denominator by the denominator's conjugate:

The correct answer is option a
but i think there s a mistake .
is the value w represent length
Divide $7.80 by 3
gives you $2.6
Answer:
sec A = 5/4
Step-by-step explanation:
Sec of an angle is hypotenuse/adjacent side
In your problem, sec A = 25/20 = 5/4
It helps if you can draw a figure of the problem. Make sure you memorize the definition of each trig function
Answer:
30 dollars. I think
Step-by-step explanation:
3x5=15
15+15=30