ASAP please help

What is the area of the triangle?
10◢8
6 Units2= btw this ┏ is on right side

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?