Answer:

Step-by-step explanation:
-Given the two heights are similar:
#Heidi's flowered bed dimensions and volume is calculated as:


#The width of Andrew's is twice Heidi's. The width and volume is thus calculated as:

#Total soil volume of the soil used is determined by summing the two different flowerbed volumes:

Looks like the answer is 72.89 degrees, which is roughly equal to 73 degrees.
The answer is: [C]: " y = -2x - 1 " .
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9 I think because 1/4 needs to have 4 of those to be a whole so yeah 9.
$20.70
Eighteen dollars
Fifteen percent of eighteen is 2.7
(.15 X 18)+18