So you just plug in the X value of the number that d represents for example if I plug in 2 for d
7(2)^2+10=38
X = number of cds on the rack
x + 7 = 30
x = 30 - 7
x = 23 <== so there are currently 23 cds on the rack
Answer:
43 hours
Step-by-step explanation:

y × 9.5 = 408 × 1
9.5y = 408
9.5y ÷ 9.5 = 408 ÷ 9.5

43 hours
Answer:
32 times square root of 3. is the perimeter, area is 48 times square root of 3
Step-by-step explanation:
Answer:
There are 2 nitrogen, 4 hydrogen, and 3 oxygen atoms in the chemical formula for ammonium nitrate.
Step-by-step explanation: