3/4 means the same as %?

What is the y intercept of f(x)=(1/2)^x?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the