SOMEONE PLEASE HELP NO LINKS

CAN YOU FIGURE THIS PROBLEM OUT PLEASE?

S=(1/3)t^3-3t^2+9t+7.

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.