The sum of two factors of 48 is nineteen. the larger factor, x, is one more than five times the smaller factor, y. which system of equations can be used to find the numbers a. x = 19 - y
x = 5y +1
b. x = 19 + y
y = 5x + 1
c. x = y + 19
y = 5x -1
d. x = y - 19
x = 5y +1

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

What rotation was applied to triangle def to create d’e’f’?