Unit: 8 Right Triangles & Trigonometry Homework 4: trigonometric ratios & missing sides

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Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

1: 4 if the wew 35 surfboards at the beach how many were short boards?