Earth’s diameter is approximately 12,760,000 meters. what is that number in scientific notation? 1.276 × 10-7 12.76 × 10-6 1.276 × 107 0.1276 × 108

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

For each proportion find the unknown number x 1/5/8=×/15

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2