Which expression is equivalent to Negative 28 x y + 35 y? 7 y (Negative 4 x y + 5 y)

7 x (negative 4 x + 5 y)

7 x (negative 4 y + 5 y)

7 y (Negative 4 x + 5)

plz i only have 10 mins 40 pont's

Find the equation using the point (4,8)

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.

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?