In right triangles abc, angle a and b are complementary angles. the value of cos a is 5/13 is the value of sin b

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28

Find the average rate of change for the given function drom x=1 to x=2