Plz giving brainliest which expressions are equivalent to 9x(2+y) ? select each correct answer. 18x+(9x⋅y) 18xy (9x⋅2)+(9x⋅y) 11x + y 18x+9xy

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Find the domain of the following expression: 1/(√x)-2

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?