What is the sum of this infinite geometric series with a1= -1/2 and common ratio of r= 1/2

Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

Are the corresponding angles congruent? explain why or why not.