Sergio solved the following equation and found the answer to be x = 2. which choice represents the best way for sergio to check his answer? 4x – 6 = 2

How do i put 3(x+7) in distributive property

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.