Let f(x) = 5x-4 and g(x) = x^2 -1. find (g∘).

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

What else equals 42 and 30 for multiply