Pe planul triunghiului dreptunghic ABC, masura A=90 grade, in varful A se ridica perpendiculara DA. Daca DA=5cm; AB=15cm si AC=20 cm, atunci calculati distanta de la punctul D la dreapta BC.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!