Jaylon makes twice as much an hour as sam. sam makes x dollars an hour. write an expression describing how much jaylon makes an hour.
a)2x
b)x2
c)2 + x
d)x - 2

Which expression shows the sum of the polynomials with like terms grouped together

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction