Which expression is equivalent to 1/4(8-6x+12)?
a) 7/2x
b)-13/2
c)-6x+14
d)-3/2x+5
an airplane's altitude changed -378 feet over 7 minutes. what was the mean change of altitude in feet per minute?
work

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.