Last weekend mandy collected 4 times as many shells as cameron. together they collected 40 shells. how many shells did mandy collect. complete the bar model. then write a equation and solve

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .

Who can me with this algebra for your guys.

What is the value of d? 9d = –5.4 d =