15. dando todas las soluciones, resuelva la ecuación: 2sen20 – seno – 1 = 0
a. 0 = -0.52 + 2k1, 0 = =+ 2kr
c. 0 = 0.52 + 2k1, 0 = - + 2knt
b. 0 = -0.52 + 2km, 0 = - + 2km
d. 0 = -0.52,

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?