Leticia simplified an expression. Her work is shown below. 4.5 divided by 0.25 + 2.5 minus 0.75 times 8 Step 1 18 + 2.5 minus 0.75 times 8 Step 2 18 + 1.75 times 8 Step 3 18 + 14 Step 4 32 In which step did Leticia make her first mistake? step 1 step 2 step 3 step 4

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?