An angle bisector AC divides a trapezoid ABCD into two similar triangles △ABC and △ACD. Find the perimeter of this trapezoid if the leg AB=9 cm and the leg CD=12 cm.

Why 1 hundred 4 tabs and 14 tens name the same amount

Examine this system of linear equations. y - x = 2, x + y = 4 Which is a solution of the system of equations? (1, 3) (2, 2) (3, 1) (4, 2)

The measures of the angles of RST are in the ratio 2:4:9. What are the measures of the angles? I din't Know what a ratio is.

Which statement best describes the end behavior of f (x) = 9-3x-4x^4+2x^3

Write equation in general form slope of 3 and y intercept of - 5

ty wants to stain his 15 foot by 15 foot deck. One can of stain covers 200 square feet. Is one can enough to cover the entire deck

The radius of a circle is 8 miles. What is the area of a sector bounded by a 135° arc?

Kevin mowed 6 lawns in 8 hours. What was his rate of mowing in hours per lawn? Express your answer in simplest form.

A builder buys 24.5 acres of land to develop a new community of homes and parks. The builder plans to use 0.25 of land for the park. How many acres will he use for the park?

Which answer choice best describes the debt snowball method? a. pay off credit cards in order of interest they carry, lowest interest first b. pay off credit cards in order of interest they carry, highest interest first c.