Given the function f(x)=-x^2-7x+19, determine the average rate of change of the function over the interval −9≤x≤3.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w