Djdhdhhdjdjsndndndjdjddnjdnddndndndnnddnndndjsjsdnjd
Answer: ![8d-7](https://tex.z-dn.net/?f=8d-7)
Step-by-step explanation:
Given
Taylor has nickels and dimes
Number of nickels is 7 less than eight times the number of dimes
If d is the number of dimes, then number of nickels is given by
![\Rightarrow \text{Number of Nickels = }8d-7](https://tex.z-dn.net/?f=%5CRightarrow%20%5Ctext%7BNumber%20of%20Nickels%20%3D%20%7D8d-7)
ANSWER: 3x^2 + 6
4x^2 + 1 - (x^2 - 5) = 3x^2 + 6
Answer:
Step-by-step explanation: 3a-5b= 3(7)-5(4)
=21-20
=<u>1</u>
7-3a+5a+15=7-3(7)+5(7)+15
=7-21+35+15
=-14+50
=<u>36</u>
15a^2-17(bc)^2=15(7)^2-17(4)(-3)^2
=105^2-204^2
=210-408
=<u>-198</u>