Raymond's weekly income consists of a base salary for a 40-hour workweek plus overtime pay. 'l'he
overtime pay is paid at an hourly rate for the time
that Raymond works in addition to his 40-hour
workweek. Raymond's weekly income, in dollars, can
be represented by the expression 800 + 30x, where x
is the total number of hours Raymond works over
40 hours. Which of the following is the best
interpretation of the number 800 in this context?

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome

The difference between the observed value and the mean of the set of values is a