Students in Mrs. Doyle's classes use 3/4 of a bottle of hand sanitizer every week. Which expression can be used to find how many bottles of hand sanitizer the students will use in 12 weeks? 12 x 3/4
12 + 3/4
12 - 3/4
12 divided by 3/4

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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mean, 40.6

step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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step-by-step explanation: