Find the tangents of the acute angles in the right triangle. write each answer as a fraction.
28
53
t
45
s
tan r =
tan s =

What is the square root of 45? (step by step working plz)

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).