Are 4/5 and 7/8 equivalent? Which pair of number lines supports your answer

For what value of x does 4x = (1/8) x + 5?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

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?