Melissa threw a coin from a bridge 160 feet high with an initial speed of 30 feet per second. Which of the following expressions can be used to determine when the coin will hit the ground?

How would you write 3 divided by 5 as a percent?

How many solutions would there be to make an equation true?

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The ratio of boys to girls in a class is 2 to 3. There are 12 boys in the class. How many girls are in the class?

Richter defined the magnitude of an earthquake to be M = log I S, where I is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and S is the intensity of a "standard" earthquake, which is barely detectable.

Fiona's laptop computer weighs 2.5 kilograms. What is the weight of the computer in grams?

Solve the equation. Check you solution. Show work 21 (2-x) + 12x=44

What is the conjugate of - 1-5i?

Perdo bought 8 tickets to a basketball game. He paid a total of 208. Write an equation to determine whether each ticket cost 26 or 28.

Jackson is starting an exercise program. The first day he will spend 30 minutes on a treadmill. He will increase his time on the treadmill by 2 minutes each day. Write an equation for, the time, in minutes, on the treadmill on day d.