The blueprint for landscaping a yard has a scale of 1/2" to1 foot. if the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

What is the frequency of the sinusoidal graph?

The function show two sisters' savings account and the rate at which they plan to deposit money