“El cuádruplo de un número aumentado en dos es igual a 30”. La ecuación que plantea la solución de este problema es:

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

How do i multiply two digit numbers

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?