Overnight, the temperature dropped 1.3° every hour. how many hours did it take the temperature to drop 7.8°?

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?