Sam está haciendo tartas de manzana y tartas de calabaza para su tienda de tartas. Ella vende cada pastel de manzana por $ 7 y cada pastel de calabaza por $ 6. Si Sam vende un total de 80 pasteles un día y gana un total de $ 512, ¿cuántos de
cada tipo de pastel vendió?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.