What are the solutions to the quadratic equation 40 - x2 = 0?

What's two consecutive integers whose sum is 45

What is 2cos (ø) + 1=0

If 6 lemons cost 79 cents how much does 4 oranges cost?

What is the place value of 5 x 70 = 5 x _ tens

Which of the following is equivalent to the complex number i^20

Identify the property illustrated in the equation. x2 + (y + z) = x2 + (z + y)

David has 4 box of apples. Each box has the same number of apples. After David eats three apples there are 109 apples left in the boxes. How many apples were in each box?

A bowling alley keeps shoes in rows of cubbyholes. There are 9 rows of cubbyholes, with 20 cubbyholes in each row. If there is a pair of shoes in every cubbyhole, how many pairs of shoes are there?

Which pairs of numbers represent a number and its reciprocal? 1 and 1 2/3 and - 3/2 1/2 and 5 6 and 1/6 -4/7 and - 7/4

On a recent day, 8 euros were worth $9 and 24 euros were worth $27. Write an equation of the form y = kx to show the relationship between the number of euros and the value in dollars.