Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set?

yˆ=32.86x2−379.14x

yˆ=32.86x2+379.14x−1354.14

yˆ=32.86x2−379.14x+1354.14

yˆ=−1354.14x2−379.14x+32.86

x y
3 455
4 401
5 388
6 211
7 299
8 323
9 678

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

With: label the vertices and all the elements needed. find x