Solve equation by elimination:
2x + y = -1
6x + y = -21

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.

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet

Rewrite the point-slope equation in slope-intercept form: y - 3 = 2(x + 4)