The record-­‐holder in eating chocolate ate 31.5 ounces of Chicago Chocolate Hearts in 7 minutes. Assume he ate at a constant rate. How much chocolate did he eat per minute? please i need help on this ill give brainliest and thanks

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

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.

Common binomial factor of 6x(3x+7)+5(3x+7)