3. Triangle ABC is an obtuse triangle. AB=15, AC=2x+1 and BC=2x+10. BC is the longest side of the triangle Find the possible values of x.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?