After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) 0.8 m (choice e) 1−0.8 m

(Choice A) 5M

Step-by-step explanation:

Let total no. of e-mails in inbox be x

Since she read 80 % of mails i.e 80 % of x

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So, she read 0.8x e-mails.

So, remaining email = total e-mails - read e-mails

Since we are given that Danette still has M unread e-mails.

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Thus the expression  represent the number of e-mails Danette had in her inbox before she started reading is 5M.

Hence Choice A is correct.

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

i think the length is 12 and the width is 17