How much did briana save by purchasing a backpack that cost $45 with a sales promotion of 20% off instead of a backpack
that cost $42 with a sales promotion of 10% off?
o $1.80
o $3.00
$4.80
$6.90
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1.80

Explanation:

42 * 0.9 - 45 * 0.8 =

the software connected to the thermometer had errors.

the student stirred the substance with the thermometer

the thermometer's bulb was not submerged in the substance.

explanation:

tew much wood tew chuck.