Convert 45 kilograms to grams​

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts