700/10=70
140/70=2
A heart beats 70 beats a minute
It takes 2 min to beat 140 times
Answer:
<h2>

</h2>
Step-by-step explanation:
<em><u>Given</u></em><em><u>, </u></em>
Dimensions of the bed

<em><u>Therefore</u></em><em><u>, </u></em>
Volume of the bed



Answer:
100°
Step-by-step explanation:
the lower right angle is 180-149 = 31°
the sum of all three angles in a triangle is 180°.
so the solution is 180-31-49
How long will she take to what ?
Answer: -x^2-2x-1
Step-by-step explanation: