Gevaluate the given integral by changing to polar coordinates. e−x2 − y2 da d where d is the region that lies to the left of the y-axis between the circles x2 + y2 = 1 and x2 + y2 = 25.

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Linda and ralph have signed a contract to purchase a home. the closing date is april 27, and the buyer owns the property on the day of closing. the selling price of the home is $782,500. linda and ralph obtained a fixed-rate mortgage from a bank for $685,000 at 7.35% interest. the seller has already paid $14,578.15 in property taxes for the coming year. how much will linda and ralph owe in prorated expenses? (3 points) $64,925.65 $34,347.06 $10,496.82 $9,945.06