Arectangular prism measuring 10m and 7m along the base and 12m tall

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?