3w+ w/2 +1=10-w. What does w equal

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.