Iam bad at algebra2 i need solving this

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.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12