It can only be simplified unless n is defined.
7n + 4n + 5 = 11n + 5
<span>The diameter in centimeters (cm) of a human hair is about 0.0025 cm. In terms of scientific notation, it is written as 2.5 x 1</span><span>0^-3 cm</span>
7×4=28+32=60+3 this is a bit long
<h3>It will take 8 hours for Sam and Fred to meet. </h3>
Answer: 42%
Step-by-step explanation: You count the squares and out of hundred count the one that are shaded and there is 42 shaded so 42%
Hope this helps <3