A woman is 20m away from a tower observes the angle of elevation to the top and bottom of a flag staff standing on the tower at 73°and 70° respectively. calculate the height of the staff.​

What is the value of x in the diagram below?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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).