How would you classify this polygon?

A) convex and regular
B) concave and regular
C) convex and irregular
D) concave and irregular

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with