Aball has a radius of 18 cm. what is the approximate volume of the ball? use 3.14 to approximate pi. round to the nearest hundredth if necessary. enter your answer in the box. need fast

The triangles are similar. what is the value of x? show your work.

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).

Find the interior angle of a regular polygon which has 6 sides