Which of the following statements is true?

a. sin 18° = cos 72°

b. sin 55° = cos 55°

с. sin 72° = cos 18°

d. Bоth a and c.

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David is making snack bags for her daughter's field hockey team. she puts 3 4 cup of pretzels, 2 3 cup of popcorn, 1 3 cup of peanuts, and 1 4 cup of chocolate chips in each bag. she wants to make 12 snack bags.

Is a acute triangle a right triangle

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What is the answer for this? y = 2 (x - 2) ² - 2

Jeff is thinking of a 5 digit numbers. rick is thinking of a 6 digit numbers. whose number is greater how do you know

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How do - 12.5 and - 10.5 compare? choose the correct symbol