Y= a(x-7)b (x+7)c. What are exponents b and c

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube