Cuantos metros de encaje se necesita para el borde del un mantel circular que tiene 50 cm de radio

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?