How do I solve the system of equations using substitution

Write a system of equations with (1,-2) as its solution

Rachel is going on a trip to Japan. The table below shows the cities she hopes to visit during her stay, as well as the amount of money she expects to spend in each one after taking into account food, shopping, transportation, and similar costs.

Write the ratio as a fraction in simplest form: 48 worksheets : 12 students

Determine specifications for the fill volume that are symmetric about the mean and include the middle 99% of all cans?

What are the domain and range of the function? y=2√3x+4-5 A. x ≥ - 4/3; y ≥ - 5 B. x ≥ 4/3; y ≥ - 5 C. x ≤ - 4/3; y ≤ - 5 D. x ≥ - 4/3; y ≤ - 5

The actual distance between two villages is 120 kilometers. On a map of the area, 0.5 centimeter represents 2 kilometers. What is the distance between the villages on the map?

You buy 5 tickets to a concert for you and your friends. You pay $170, including a $20 service charge. How much does one ticket cost?

What is 1.2 % of 0.5?

Jeff can win the game if he rolls 11 on the two number cubes. If he rolls an even sum, however, he will lose his next turn. What is the probability that he will win the game? What is the probability that he will lose his next turn?

Suppose 60 cars start at a car race. in how many ways can the top 3 cars finish the race?