X is always dependant to Y. so that should answer the 1st one. the 2nd looks to be around 17-18. 17.5 maybe. and the 3rd is yes cause he does not go to the pool so it isnt any cost.
Answer:
60
Step-by-step explanation:
Answer: 2.7d + 24.3
Step-by-step explanation: Easy
Answer:
9x^2 -49
Step-by-step explanation:
We recognize that this is of the form
(a+b)(a-b) = a^2 - b^2
3x = a and 7 =b
(3x)^2 - 7^2
9x^2 -49
Answer:
-5
Step-by-step explanation:
∛-25 × ∛5
= ∛-75
= ∛(-5)^3
= - 5
