Richard and teo have a combination age of 31. richard is 4 years older than twice teo's age. how old are richard and teo?

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles