Approximate the double integral of f (x comma y )equals x plus y over the region r bounded above by the semicircle y equals startroot 16 minus x squared endroot and below by the x-axis, using the partitions x equals negative 4 comma negative 2 comma 0 comma 1 comma 2 comma 4 and y equals 0 comma 2 comma 4 with (x subscript k baseline comma y subscript k baseline )the lower left corner in the kth subrectangle (provided the subrectangle lies within r).

europa2433

europa2433

step-by-step explanation:

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!