(2x^5 + 3y^4) * (-4x^2 + 9y^4)

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?