A standard piano has 88 keys. There are 52 white keys and 36 black keys. What is the ratio of white keys to black keys?

What are vertical and linear angles?

Ian is preparing for his trip to South Korea. He has a total budget of 2,192,896 won for his entire trip.

Sofia has 16 hours to paint a living room and 2 bedrooms. She spends 7 hours painting the living room. Write and solve an inequality to find how much time x she can spend on each bedroom if she splits her time equally.

A car is driving at a velocity of 24 m/s. If its brakes can supply an acceleration of - 5.0 m/s2, how much time will be required to bring the car to a stop?

Biff hit homeruns every year he played. Four times he hit 12, twice he hit 15 and other years Biff hit 6, 11, 19, and 20 homeruns. What was the mean number of homeruns that Biff hit per year? How did you find this?

As part of a screening process, computer chips must be operated in an oven at 145 °C. Ten minutes after starting, the temperature is 65 °C. After 15 minutes, the temperature is 85 °C What is the temperature after 23 minutes?

When considering the results of an Altman Z-Score analysis a score of 3.85 would suggest? A) The company is in financial distress and there is a high probability of bankruptcy in the short term future.

Peter's vegetable garden is rectangular. It is 7.75 ft long and 3.65 ft wide. He wants to put a fence around the edge of the garden to keep animals from eating his vegetables. How many feet of fence does he need? Explain.

Solve equation for x. State any restrictions. ax+2=bx+c

The ratio of boys to girls in 6th grade is 3:5. If there are 39 boys, how many girls would there be?