Answer:
Step-by-step explanation:
It is already in standard form and can be expressed in scientific form as:

Answer:
=
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, assuming m of angle ABD is 90 degrees, then you would add and then solve.
2x+14+x+7=90
3x+21=90
3x=69
=
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, !
Answer:
12
Step-by-step explanation:
7+5
Since 1 pound is $3.09, 4.5 pounds will be:

It says to round to nearest hundredth, so your answer is $13.91.
1. 14.4 km, 2. 25.2 km, 3. 37.8 km