Harry is making shapes out of identical rectangular cards with the letter H on. He makes shape X, then adds another card to make shape Y, as shown. The perimeter of shape X is 64 cm and the perimeter of shape Y is 82 cm. What is the width of each of Harry’s rectangles?

Correct Answe rWrong AnswerClick To See Explanation
3 cm
4 cm
5 cm
8 cm
9 cm

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?