The first one is true
<span>4(4a+10) is
</span>16 a + 40 after distribution
The second one is also true
<span>2(8a+20)
16a + 40 after distribution
Third is not true
</span><span>4a(4+10a)
</span><span>16a + 40a^2 after distribution
Last one is also true
</span><span>8(2a+5)
16a + 40 after distribution
Hope this helps :)</span>
Rick needs to leave at 7:55am to get to school on time.
7:55am is 20 minutes before 8:15am.
The answer is 10mph because you divide 30 by 3hours. I hope this helps. Could I possibly get brainliest?