The wages w
(in £) Mark earns is the number of hours he works
n
multiplied by his hourly rate
r
(in £ per hour). Enter a formula for Mark's wages and enter the wage he would earn if he worked 39 hours at a rate of £5.70 per hour

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Abcd is a square. what is the measure of angle bac