Select all the expressions that are equivalent to 3x + 9 + 32 +9..
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Solve: 3x+y=6 4x-2y=18 show all work !

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?