When you reverse the digits in a certain two-digit number you increase its value by 9. Find the number if the sum of its digits is 5.

1; 35 is the ratio

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

47 - 90 = 43

43 - 180 = x

x = 137