If you’re good with permutations in math 30 please help answer the question below A license plate consists of 3 letters, followed by 3 numbers. Repetitions are not allowed. If any letter may be used except for U and I, and the allowed digits are 3, 4, 5, 6, 7, 8, and 9, how many different license plates can be produced?

a) 500 405

b) 900 800

c) 1 059 776

d) 2 550 240

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.