Answer:
C
Step-by-step explanation:
Th range between times was 1 hour
The ratios of blue balloons to red balloons is 137 red balloons to 144 blue balloons
Answer:
B
Step-by-step explanation:
factor the expression.
recheck: -5×4= -20
-5+4= 1 (which is a)
a×a=a²
Range is the outputs possible
w(r(x))=(2-x^2)-2
w(r(x))=2-x^2-2
w(r(x))=-x^2
therefor the range is from 0 to -∞