Atriangle has lengths of 2.6, 8.1, 8.6. is this a right triangle? why or why not? is there an angle in this triangle larger than 90 degrees?

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Based on the figures as marked, /\rqs = —