Simplify the expression. Write your answer as a power. (-4)^(5)*(-4)^(7)

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?

How do you find the area of a triangle

Which statement best explains why ben uses the width hi to create the arc at j from point k