7 15 Măreşte de 100 de ori diferenta dintre dublul numărului 106 şi triplul numărului 34 mărit,
răsturnatul numărului 21. Cât obţii?

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.