The temperature of a city changed by −15 degrees celsius over a 5-week period. the temperature changed by the same amount each week. part a: write an expression to show the average change in the temperature of the city each week. part b: simplify the expression and explain, using words, what your answer means.

A: -15/5 degrees Celsius

B: -15/5=3 degree Celsius

every 5 weeks it change -15°c

so each week it changes -3°c

Step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)