A set of data with a mean of 62 and a standard deviation of 5.7 is normally distributed. Find the value that is +3 standard deviations from the mean.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?