Find the number of times a heart beats in 2 minutes if it beats 576 times in 8 minutes.

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.