Verify that parallelogram abcd with vertices a(-5,-1), b(-9,6), c(-1,5), and d(3,-2) is a rhombus by showing that it is a parallelogram with perpendicular diagonals.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15