Write the ratio as a fraction in lowest terms 17 minutes to 2 hours

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.