Y=x-1
x+y=3
is the problem that im stuck on can someone

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.