Find the value of of 5x-3y when x=5|2 and y=2|3

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.