Find the equation of a straight line passing throught the point listed and having the given gradient. express your answer in the form 1) ax + by + c = 0 and 11) y = mx + c
question: (1,2) gradient 3
show all working and explain in detail : )

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

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.