Yesterday's afternoon temperature was 21 degrees fahrenheit. it plunged overnight to -3 degrees fahrenheit. how many degrees did the temperature change? a. 3 degrees b. 18 degrees c. 21 degrees d. 24 degrees

D. 24 Degrees

21-24=-3

Step-by-step explanation:

It may help you to think of this situation in this manner:

1.  The temperature drops 21 degrees from 21 degrees to zero degrees.

2.  The temp. then drops 3 degrees from zero to -3 degrees.

3.  The total change (which was a drop) was 21 + 3, or 24, degrees.

Summary:  from 21 degrees to -3 degrees is a change of 24 degrees.

More explicitly, that's a drop of 24 degrees.

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

happy to

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