Answer asap! 20 ! evaluate the expression for the given values. 8x+2y/z , where x=1/2 , y = 4, and z = 2 enter your answer in the box.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Could somebody me with this radical simplification?

Which of the functions graphed below has a removable discontinuity?