The sum of two numbers is 52. The first number is 4 times the second number plus 7. Find the two numbers. PLEASE

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Can someone me out here number 4 plz

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.