Atruck that can carry no more than 6600 lb is being used to transport refrigerators and upright pianos. each refrigerator weighs 250 lb and each piano weighs 525 lb. write and graph an inequality to show how many refrigerators and how many pianos the truck could carry. will 11 refrigerators and 6 pianos overload the truck? explain.

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

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)

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?