Answer:
16yyyy
Step-by-step explanation:
Getting rid of exponents:
- (-2y)^4 =
- (-2)^4*y^4 =
- 16yyyy
No because 4/1 does not equal to 9/4 or 16/9
Answer:
Their is this website that has any basically every calculator on it and it show work. It is called "calculator soup"
Answer:48.6
we know that
You can paint 75 square feet of a surface every 45 minutes
so
using proportion
Find out how long it takes you to paint a surface area of 81 square feet
45(81)/75=48.6
hope this helped and I hope you get a correct answer :D