A fire hydrant bolt is in the shape of a regular pentagon. a. What is the measure of each interior angle?
Each interior angle is ∘.

b. Explain why fire hydrants are made this way.

Fire hydrants are made this way to deter people from tampering with fire hydrants because most wrenches are _

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years