The train station runs trains every 30 minutes. find the probability that a passenger who arrives at a random time will not have to wait more than 20 minutes.

What is 2x2x2x2x2 + 1

Airports are identified with 3-letter codes. For example, the richmond, virginia airport has the code ric, and portland, oregon has pdx. How many different 3-letter codes are possible?

Which function below will translate f (x) = x^2 left 5 units and down one unit

Selena there math quiz this week it took her 1/3 hour 1/4 hour and 1/5 hour to complete. which list shows the length of the time in order from least to greatest A. 1/3 hour, 4/6hour, 1/5 hour B. 1/5 hour 1/3 hour, 4/6 hour C.

If the old sea ice level was 7 million sq. km in 1978 and the new sea ice level is 4.5 million sq. km in 2020, then what is the percentage change over the years?

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0.6 sin (3520rt). What is the frequency of the tuning fork? A, 1/3520 Hz B. 1/1760 Hz C. 1760 Hz D. 3520 Hz

4x-10y=-16 and - 7x+20y=23 elimination

At the beginning of the year 2002, Sarah put $250 in a savings account. The bank agrees to pay Sarah 3% interest on her total savings at the end of each year including the interest added to the account.

The length of a rectangle is 3 inches more than its width. If the length and width are each increased by 2 inches, the perimeter of the rectangle becomes 66 inches. If x is the width of the rectangle, find its length and width.

A loan of $1000 is to be paid back, with interest, at the end of 1 year. Aft er 3 months, a partial payment of $300 is made. Use the US Rule to determine the balance due at the end of one year, considering the partial payment.