Solve the system of equations by substitution. What is the solution for x?

2x + y = 1

4x + 2y = - 2

Split 52 into the ratio 5:8

Write an expression to show how many hours are equivalent to 360 minutes

Change 72 out of 123 to a percentage

Are the date still represented appropriately once you round the numbers?

Factor 7 (h+k) ^2-21 (h+k)

The lowest common multiple of two numbers is 36, one number is 12, what might the other number be?

Andy has a collection of movie DVD's. In Andy's collection 3/5 of the DVD's are action and 1/4 of the DVD's are comedy. Andy said 4/9 of his collection is action is action or comedy. Cindy said that Andy made an error.

What is the domain of the relation? { (-3,4), (0-1), (7,5), (8,8) } Question 1 options: {-3, 7} {-3, 0, 7} {-3, 0, 7, 8} {-1, 4, 5} {-1, 4, 5, 8}

Carol rolled a dice 150 times she rolled a 6 29 times use carols data to estimate the probability of rolling a six with this dice give your answer as a fraction

What is the degree of the polynomial. Xy+3x^2-7+x A. 2 B. 4 C. 3 D. 1