Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 55 degrees occurs at 4 PM and the average temperature for the day is 45 degrees. Find the
temperature, to the nearest degree, at 8 AM.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /