In sahara desert one day it was 136. in the gobi desert a temperature of -5 was recorded. what is the difference between these two temperatures

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?