I need answers for the Foundations for Algebra Unit test

A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if they were working together? Show work

Weight is measured: in pounds using a scale in ounces all of the above

Could a set of three vectors in r4 span r4? explain. what about n vectors in rmwhen n is less than m?

Which of the following states the Pythagorean theorem? A. In a right triangle, the square of the hypotenuse equals the sum of the legs. B. In a right triangle, the hypotenuse equals the sum of the squares of the legs. C.

What is the volume of a cube with length 4 inches? v=lwh

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.