Angles a and angles t are complementary. the measure of angles t is three times the measure of angles a what is measure angles a

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

Write the factored form of this trinomial 9x^2+18x-7

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.