7th grade Math Which expression is equivalent to the given expression?

5x−2=

2−5x

2x−2+3x

3−5+2x

5x−2x

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12

How do you write something in scientific notation?