Answer:
C
Step-by-step explanation:
This is simple application of the rule of 72.
The rule of 72 determines how long an investment will take to double given fixed interest rate. We divide 72 by annual rate of return and get the estimate of number of years it will take for investment to double.
Thus, here, rate of interest is 5%, so we divide 72/5 and get our rough estimate.
72/5 = 14.4 Years
That's about 14 years, answer choice C
I guess it's because tangent is written as y/x and slope is x/y
Answer:
D. 137
Step-by-step explanation:
First, get the area of the rectangle:
Then, get the area of the triangle:
Now substract the area of the triangle from the rectangle:
165 - 28 = 137
∴ 137
Answer: $15.40
Work: Okay, so to find the tax, you multiply the price (Original), and the tax percentage (Remember, before you multiply the tax percentage, make sure in this form (.10) Okay, after multiplying $14 by .10, you get $1.4. Add that to $14, and you get $15.40. I hope this helps, and stay safe! :)