Use sigma notation to represent the sum of the first six terms of the following sequence: 4, 12, 20, … the summation from n equals 1 to 6 of negative 4 plus 8 times n the summation from n equals 1 to 6 of 4 plus 8 times n the summation from n equals 1 to 6 of negative 1 plus 8 times n the summation from n equals 1 to 6 of 1 plus 8 times n

Matilda and kathryn went on different road trips over spring break.the equation below represents the number of miles matilda drove in x hours.y = 60xthe table below shows the number of miles kathryn drove in x hours.time(in hours)distance(in miles)114228342456who drove at a greater speed? a. matilda drove at a greater speed.b. matilda and kathryn drove at the same speed.c. kathryn drove at a greater speed.d.there is not enough information to determine their speeds

If 25% of y is 30, what is 60% of y?

What value of x is in the solution set of 4x – 12 s 16 + 8x?