Simplify the expression 6h +(-8.1d) - 18 + 5d - 2.6h. 6h + (-8.1d) – 18 + 5d - 2.6h = – -

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

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At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad