El número de mosquitos en Anchorage, Alaska (en millones de mosquitos) en función de la precipitación (en centímetros) está modelado por m
(
x
)
=
−
x
2
+
14
x
m(x)=−x
2
+14xm, left parenthesis, x, right parenthesis, equals, minus, x, squared, plus, 14, x
¿Cuántos centímetros de lluvia producirán el máximo número de mosquitos?

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?