The sum of the digits of the digits of a certain two - didgits number is 16. Reversing its digits decreases the number by 18. What is the number

Okay so if f (n) = -6n+3 What does f (2) =

Factor. 25m^100 - 121n^16

Determine the quotient: (22.8 * 10-3) : (5.7 * 10-6)

Simplify this expression. 4x-12/x^2-9

Deb has 25 buttons. her grandmother gives her more buttons. then deb gives her sister 11 buttons. now deb has 57 buttons. how many buttons did deb's grandmother give her?

The sum of a block of land's length and width is 30m. If x = the width the expression for the land's length is 30 - x. Given the length and width must be positive values, solve an appropriate inequality to find the possible values of x.

Jacqueline wants to travel to Oregon. She rents a car for $50, plus $0.10 per miles. Jacqueline paid a total of $195. How many miles did she drive?

25 1/2 divided by 6 In this math equation I don't know how to do it

What is three and one-eights minus one and seven-eights?

Solve 5x-4=5 (x-3) + 11