Find the measure of the following angles given m<1 =130° and m<14=65° help please please

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?

The table above shows approximate conversions from gallons to liters. what is the value of x?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b