Less than 90° = acute
more than 90° = obtuse
equal to 180° = straight
more than 360° = reflex
Answer: 70 ft
Step-by-step explanation:
Given
height of book is measured by the function is

when the book is thrown 

The height of the book is 
Answer:
where's the answer choices???
Step-by-step explanation:
X = -3 it's practically the y intercept in which x is equals 0
To convert a pexent to a decimal you have to multiply by 100.
Move the decimal: Another way to convert from decimal to percentage format is to move the decimal two places to the right.
Hope this helped :)
Have a good day