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.
Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.
Every hand you lose in poker cost you -3.50. How much do you make if you win two hands.
Answer:
point symmetry if no symmetry isn't an option as it looks grayed out and not clickable