The equation y=5. 5x represents a proportional relationship. What is the constant of proportionality.

Jane has 3 applesshe gives away 23 - 2 = 1jane has 1 apple lefthope this

Frequency is the number of complete oscillations of a wave per second.

answer: Sales tax is an amount added to a price to get the total. We multiply by the decimal for the percent; this means we divide the percent by 100 before we multiply. Once we multiply, this gives us the amount of sales tax. We add this to the price of the item to get the total purchase price.