Atriangle has a perimeter of 39 cm .if one side is increased by 2cm the other sides are increased by 1cm each in measure, what are some possible dimensions of the new triangle

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me