Solve the system.

{d+e=2

{ d-e=4

Use the substitution method.

The solution is (5, 1)

The solution is (3, - 1).

There is no solution.

There are an infinite number of solutions.

The way of writing a number as the sum of values of its digits is called

Ethan, a chemical engineer, earns $1,650 each week. Based on the table, calculate the income tax withheld each week from Ethan's paycheck.

Simplify: - 6 - (-5-4i) - (-7-7i)

Find the number, if 3% of the number is equal to 30?

Two children are balancing a spoon on their noses Jaxson balanced a spoon on his nose for 0.74 seconds Blake was able to balance the spoon for 0.9 seconds Jaxson says that his spoon stayed on longer because 0.74 has more digits than 0.

3x²+5x+2 factor the expression and find the greatest common factor

If f (x) = 3x - 2 and g (x) = x2 + 1, find (+6) x).

A boy is 17 years old and his sister is twice as old. when the boy is 23 years old what will be the age of his sister?

3. Find the smallest number of sweets that I can be put into bags which all cantain either 9, 15, 20 or 24 Sweets with none left over.

Larry is using an online calculator to calculate the outputs f (n) for different inputs n. The ordered pairs below show Larry's inputs and the corresponding outputs displayed by the calculator: (1, 5), (2, 9), (3, 13), (4, 17) Which of the following