3. In 2005, 8.1 x 1010 text messages were sent in the United States. In 2010, the number of annual text messages had risen to 1,810,000,000,000. About how
many times as great was the number of text messages in 2010 than 2005?

Agrocery sells green apples and red apples. on monday , the store put 500 of each kind of apple on display. that day, the store sold 42 red apples and 57 green apples. on tuesday the store sold 87 red apples and 75 green apples. on wednesday, the store sold 29 red apples and 38 green apples

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days