Shanice wants to determine the height of a tree in a field. She measures the tree’s shadow to be 36 feet long. Then she stands next to the tree and measures her own shadow to be 3 feet long. She knows that she is 5 feet tall. Using similar triangles, find the height of the tree to the nearest foot.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.