Answer:
-18
Step-by-step explanation:
2x²-7xy+3y²
2(3²)-7(3)(4)+3(4²)
2(9)-84+3(16)
18-84+48
18+48-84
-18
Answer:
7(4 - x^2)
Step-by-step explanation:
Well you just factor out 7, since that is the GCF. 7(4 - x^2)
Hope this helps
Answer:
Each algebra book costs $60.
Step-by-step explanation:
A=bill for algebra books; S=bill for science books=A+$360
S+A=$3960 Substitute for S
A+$360+A=$3960 Subtract $360 from each side.
2A=$3600 Divide each side by 2.
A=$1800 The order for 30 algebra books cost $1800.
Individual book=A/30
individual book=$1800/30=$60 ANSWER: Each algebra book cost $60.
In this pattern , the numbers are doubling..
2,4,6,8,10...
Answer:
56
Step-by-step explanation:
1176 divided by 21 = 56
