Answer:
h is the answer
Step-by-step explanation:
1 hr = 60 mins
10 hr = ... mins
600 mins + 39 mins = ... mins
639 mins + 24 sec=......mins
91 cm × 24 = ...
IDK what convention factors are tho...
Y=x^2-5, solve for x
y+5=x^2
x=√(y+5) so
f^-1(x)=√(y+5)
W = 21 - 3
weight of the tree = 21 pounds - 3 pounds