Acoin is tossed twice. what is the probability of the coin landing heads up both times

Which expression is rational? 6. , square root two, square root 14, square root 49

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.

Harry the hook has 7 1/3 pounds of cookie dough. she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?