1=<span>10 ÷ 40
2=</span><span>8.5 s
3=</span><span>141 km
4=</span><span>8.5 h
5=</span>56.0
Since -(9/16) is a negative number, it has no real square root. The square root of a negative number is usually represented by an imaginary number. Therefore, the answer to the question is OPTION D (No Real Root)
He sold 12 coins, 16+28+32+4=80. 15% of 80 is 12
LCM of 3,18,5 is 90 because LCM of 3,18 is 18 then LCM of 18,5 is 18*5=90
Answer: The diameter is increasing at a rate of 5.33 centimeters per hour when the radius of the sphere is 3 centimeters.
Step-by-step explanation: Please see the attachments below