To make sure that a given parallelogram is a rectangle, at least how many of its angles must measure 90?

The solutions to a certain quadratic equation are x = 4 and x = - 3. Write the equation in standard form below. x2 + x - 12 = 0 x2 - x - 12 = 0 x2 - 7x + 12 = 0

Outside Danny is building the base of a brick fireplace. He is using bricks that are 3.625 inches wide, 2.25 inches high, and 8 inches long. He starts by laying 6 bricks end to end as shown in the diagram.

After conducting a survey of all her classmates, Midge discovers that the amount of money everyone spends buying books each month has a mean of $30.

If angle 1 is equal 135 angle 2 is equal to?

A pencil costs 2.50 and a pen costs 3.70. Jessica bought x pens and y pencils. Write an algebraic expression for the total amount she spend

The surface area of a rectangular prism is 42 cm2.

In a week karry ran 9.3 miles and Tricia ran 4.4 miles. Use mental math to find how much farther Karry ran than Tricia. Explain how you determined the difference.

What kind of function is 3y-2=x+7

Which of the following is the Triangle Proportionality Theorem? A) A line parallel to one side of a triangle divides the other two sides proportionally.

The variable z is directly proportional to x, and inversely proportional to y. when x is 3 and y is 14, z has the value 3.8571428571429. what is the value of z when x = 12, and y = 23 round to at least the thousandths place if needed.