One half n to second power minus 10 equals 62

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.