Kyung is building a triangular pool in his backyard. he knows that side f is 12 m and that both angles g and f are 40°, which means that angle d is 100°. what is the length of side d? round the answer to the nearest tenth.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1