The class average on a math test was 77.5 and the standard deviation was 5.8 find the z score for a test score of 83 and the percentage of the class who scored below 83

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest