How would i solve and therefore graph sytems of equations?

My y intersect problems are y=x-1

And y-x-1

Suppose that in a large company, 30% of the computers are infected by adware. if 6 computers are randomly selected and tested, what is the probability that 2 of the computers are infected by adware?

12. Kim bought a poster that cost $8.95 and some colored pencils. The total cost was $21.35. How much did the colored pencils cost?

Write the fraction in decimal notation 3 1/100

How did you get the answer for 0.6 for 6/10 as a terminating answer

Convert 9.88 into a fraction.

Emma seys that the preduct of a 3-digit number and a 1-digit number will be either a 3 digit number or a 4 digit number. Does Emma's statement make sense

Work out the value of these two questions: 1) 3^2 + 2^3 2) 2^4 - 3^2

What is 5 1/4 divided 2 2/7

What is the solution to the system of equations? Use the substitution method. {y=-2x+5 {3x-4y=2 Enter your answer in the boxes.

Absolute value of - 1 + 3i