Answer:
c
Step-by-step explanation:
because it makes sense
Answer:
PEMDAS!!! (Parentheses, exponents, multiplication, division, addition, subtraction)
Step-by-step explanation:
Parentheses first!
50-35=15
Then subtraction!
80-15=65
Hope this helped!!! :)
B.120 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: 4 seconds
Step-by-step explanation:
Given: The function
can be used to model the height of the ball where t is the time in seconds after the ball kicked and h(t) is the height in feet.
Differentiate the given function with respect to t , we get

Put h'(t)=0

Also, 
By second derivative test, h(t) is maximum at t=4.
Hence, the time in Devon which the ball reaches it maximum height = 4 seconds
Answer:
x= -8
collect like term than divide both sides
6x-4x = -20+4
2x= -20+4
2x=-16
x= -8