Which function is graphed?
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Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1