Hello? i need help with this question please ∠A and \angle B∠B are complementary angles. If m\angle A=(8x-23)^{\circ}∠A=(8x−23)
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and m\angle B=(7x-7)^{\circ}∠B=(7x−7)
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, then find the measure of \angle A∠A.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm