Amanda is buying a cellphone and trying to decide which cellphone provider to use. Each month, AT&T charges a $0.10 per text message and a $5 fee. Sprint charges a fee of $30 and has unlimited text messaging.

Write the equation of each plan and use them to find how many text messages Amanda would need to send in order for the costs of the two companies to be the same.

41/17 as a decimal rounded to the nearest hundredth

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?