Si 14 hombres necesitan 12 días para hacer un trabajo. ¿Cuántos días necesitarían 21 hombres para realizar un trabajo similar?

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?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?